My tweet containing the article and my response
I give my simple reasons based on observations from my experience
Screenrant- Star Trek: Discovery Crippled The Enterprise To Explain A Plot Hole
Star Trek: Discovery crippled the Starship Enterprise in a hilarious fix for a plot hole that’s been troubling fans since the series began. The Enterprise has always had a habit of missing the latest Federation wars, largely because she’s frequently sent on five-year exploratory missions into the depths of space. When Discovery crossed paths with the Enterprise, she was returning from one of those voyages, but suffering from catastrophic systems failures.
Well it envoked a rant from me on twitter
Basically the tweets are based on real world observations and direct hands on experience
I will continue the rant
To sum it up it is three basic parts.. I explain why the systems in TOS would seem more primitive. this is based on the navy equipment being well built back in the day with upgrades being slowly implemented via field testing.. Yes it is why Navy vessels are expensive and ships are slowly upgraded then replaced
WHY????
The key word as to why the older LOOKING systems would be in place is reliability
I reference an argument as outlined from DS9 on cardassian rifles versus federation rifles. The conversation is paralleling is a military discussion of M-16 versus ak-47.. with the AK non-american made weapon being preferred over the M-16 in certain region by most forces.
I reference that with a lesser Military Industrial Complex present, the competition between officers would still be tight.. So BS worthless systems would get promoted by hotshot science/explorer/officers
I will add a point here for your consideration.. The same happens IRL everyday, with the MIC using those officers for promotion of expensive less effective systems.
The Pentagon Papers, officially titled Report of the Office of the Secretary of Defense Vietnam Task Force, is a United States Department of Defense history of the United States’ political and military involvement in Vietnam from 1945 to 1967. The papers were released by Daniel Ellsberg, who had worked on the study; they were first brought to the attention of the public on the front page of The New York Times in 1971.[1][2] A 1996 article in The New York Times said that the Pentagon Papers had demonstrated, among other things, that the Johnson Administration “systematically lied, not only to the public but also to Congress”.[3]
They even made a movie about it..
An interesting addition to this is a little know set of things I did not include..
It is two incidents I am aware of that back why the older tech would be in place.. Post Klingon/ federation war..
Millenium challenge 2002 – wikipedia
Millennium Challenge 2002 (MC02) was a major war game exercise conducted by the United States Armed Forces in mid-2002. The exercise, which ran from July 24 to August 15 and cost $250 million, involved both live exercises and computer simulations. MC02 was meant to be a test of future military “transformation“—a transition toward new technologies that enable network-centric warfare and provide more effective command and control of current and future weaponry and tactics. The simulated combatants were the United States, referred to as “Blue”, and an unknown adversary in the Middle East, “Red”, with many lines of evidence pointing at Iran being the Red side.
Ok.. Right let me post the key point that applies.. It is how some of the competitors won
Red, commanded by retired Marine Corps Lieutenant General Paul K. Van Riper, adopted an asymmetric strategy, in particular, using old methods to evade Blue’s sophisticated electronic surveillance network. Van Riper used motorcycle messengers to transmit orders to front-line troops and World-War-II-style light signals to launch airplanes without radio communications.
Red received an ultimatum from Blue, essentially a surrender document, demanding a response within 24 hours. Thus warned of Blue’s approach, Red used a fleet of small boats to determine the position of Blue’s fleet by the second day of the exercise. In a preemptive strike, Red launched a massive salvo of cruise missiles that overwhelmed the Blue forces’ electronic sensors and destroyed sixteen warships. This included one aircraft carrier, ten cruisers and five of six amphibious ships. An equivalent success in a real conflict would have resulted in the deaths of over 20,000 service personnel. Soon after the cruise missile offensive, another significant portion of Blue’s navy was “sunk” by an armada of small Red boats, which carried out both conventional and suicide attacks that capitalized on Blue’s inability to detect them as well as expected.
At this point, the exercise was suspended, Blue’s ships were “re-floated”, and the rules of engagement were changed; this was later justified by General Peter Pace as follows: “You kill me in the first day and I sit there for the next 13 days doing nothing, or you put me back to life and you get 13 more days’ worth of experiment out of me. Which is a better way to do it?”[1] After the reset, both sides were ordered to follow predetermined plans of action.
After the war game was restarted, its participants were forced to follow a script drafted to ensure a Blue Force victory. Among other rules imposed by this script, Red Force was ordered to turn on their anti-aircraft radar in order for them to be destroyed, and was not allowed to shoot down any of the aircraft bringing Blue Force troops ashore.[2] Van Riper also claimed that exercise officials denied him the opportunity to use his own tactics and ideas against Blue Force, and that they also ordered Red Force not to use certain weapons systems against Blue Force and even ordered the location of Red Force units to be revealed.[3]
This led to accusations that the war game had turned from an honest, open, free playtest of U.S. war-fighting capabilities into a rigidly controlled and scripted exercise intended to end in an overwhelming U.S. victory,[2] alleging that “$250 million was wasted”.[4]
Pretty much Van ripper, role playing the bad guy won hands down.. The Other officers whined and cried.. And restarted the war game to show the us would win.. after rigging the game to make sure a script was followed
sounds familiar to what happened to starfleet during the Klingon/ Federation War. Devastation by more primitive tactics.. In Real Life it happened..
This is not an isolated incident..
The Man who made war on a Weapon- ny times
The real story is more complex, but it certainly doesn’t lack drama. It is the story of Air Force Col. James Gordon Burton — who was forced into retirement, his supporters say, after relentlessly pushing for realistic tests of the Bradley and incurring the wrath of Defense Department secretaries and undersecretaries, four-star generals and defense contractors alike. It is a tale about charges of suppression and coercion, about leaked documents, about billions in defense funds, about outraged Bradley defenders and about an angry band of influential congressmen on the Hill and a handful of military reformers in the Pentagon who see in Burton’s saga the Ultimate Raw Deal.
……………….
we get to this
Burton’s supporters on the Hill, citing documents generated by the colonel, talk about rigged tests of “survivability” and a pattern of “stonewalling and deception” by the Army. Says Soucy: “Members of Congress have stood on the floor of the House — a nice convenient place where they can’t be held accountable — and said the Army lied, cheated, gilded, misrepresented.”
Bradley Fighting Vehicle – wikipedia
nicely scrubbed except for the reference at the end
The Pentagon Wars is a 1998 comedy film from HBO, directed by Richard Benjamin and based on the book The Pentagon Wars: Reformers Challenge the Old Guard by Colonel James G. Burton, USAF (retired).
…..
Burton’s attempts to test the Bradley under combat conditions are obstructed by Partridge and his two cronies, Colonel Bach (John C. McGinley) and Major Sayers (Tom Wright). But then Burton is contacted by Brigadier General Robert L. Smith (Richard Schiff), the frustrated officer previously in charge of the vehicle’s development program, who feeds him evidence on condition of anonymity.
Burton confronts Master Sergeant Dalton (Clifton Powell), in charge of the testing range, who admits being ordered to manipulate the test results, but bitterly tells Colonel Burton that every officer who tries to conduct honest tests eventually buckles under the pressure to gain his next promotion.
So yes you could safely use this as an example of why.. All the rigged test and well it works ok..
The starfleet officers would have fudged numbers and its cannon
So as to why star Trek technology would appear to be behind in TOS compared to discovery..
Reliable function is the key. Real world examples would explain how this would occur. I can safely assume the officers wanting promotions would be overseeing the testing.. And even vulcans get personal over their pet projects, after all they know what they are doing..
Edit/update
To the closing note we need to take keep in mind the referenced corruption would have been exposed during the klingon/federation war
The technology would have been not performing as a whole well together. Star Trek discovery was ran by a Mirror universe version of a STD timeline person.. I will cover this difference later..
I will continue this in Part two
Da Lazy Scholar: A Star Trek rant in response to an STD article -Part Two
Da Lazy Scholar 
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