Addendum: I should also add that the Battlestar Galactica re-boot went through the same thing. There were some hard core fans still stuck in 1978 and had absolutely zero interest in and hated the reboot - regardless of the reboot's success.
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Warning: Spoilers)
I actually liked the Battlestar reboot at first. Then I realized it was a universe where nobody smiled,
ever, and the whole thing got too heavy.
Essentially, the show became a major downer, and hot cylons notwithstanding, I drifted off and never went back.
Nice battles, though.
I would say that "Hardcore fans stuck in 1978" as a correlation to the Star Trek situation though, is a pretty broad brush, really only useful for dismissing contrary opinions.
For many people, the writing, particularly of the main character, but on many other levels as well, was simply silly, culminating in the ship's C
aptain and First officer going alone into a ship full of enemies, because apparently security was having a coffee break.
Let's look at the situation in a realistic context. The ship is disabled, many crew dead and missing, the fleet is in tatters...... So amidst all this, the captain and first officer of a US warship abandon the crew to go attack a guerrilla base and capture Osama bin laden... alone.
Okee Dokee. Make sense?

Even Kirk knew enough to take security with him.
The main character is supposed to have been raised on Vulcan and be super-logical...... But behaves like an unstable personality with zero impulse control. She commits mutiny, (technically barratry) attacks a senior officer..... and we're supposed to bond with her as a person when she essentially screws up just about everything from the moment we first meet her.....
The one likable character, the captain, is a throwaway; apparently there just to add texture to the main character, and in fact the entire crew of the first vessel we meet (as well as the vessel itself) are essentially throwaways in support of the main character's backstory.
Seeing her captain killed, the main character (Again completely based on emotion rather than her
supposed Vulcan upbringing) does the exact thing she warned that they must at all costs avoid doing and switches her phaser from blue to red (kill) before blowing away the big baddie, making him a martyr and destroying the last known hope for a negotiated settlement)
Screw the crew and the Federation, my captain is dead and i'm pissed.
It goes on and on.
Honestly, one doesn't have to be stuck in the past to not like a badly told story.....
The consensus I'm finding out there is that a lot of people believe we could have done without the first two episodes except as flashbacks, and the show should have started with episode three as a better introduction.