Star Trek doesn't mean anything.
There is no way Trek should, or should not, feel.
Sentences to get my tenure on here cut very short but I have my reasons for saying it.
Star Trek doesn't mean anything...other than what it means to each individual. For some it means a vision of a brighter future, for some it is an exploration of the potential advances in science, for others it is a way of escaping the trials and tribbleations of day to day life, for another person it is an allegorical method of story telling from which the modern world can be dissected and reframed.
I would expect for the majority it is a little bit of all the elements above and many more that I haven't listed.
This is why it is so hard to reach a consensus and why there can be such strong feelings both for and against shows, characters, or story lines.
For me, I've always enjoyed the stories where we see the faults in our crews, where we see that no one is perfect, but that they are trying their best. I'm pretty sure that was the crux of Picard's defence of humanity when they first came across Q.
Now my second statement from above - there is no way that Trek should, or should not, feel.
This is borne out in the stark differences between TOS, to the movies to TNG, DS9, Voy and Ent and then the Disco and Picard. It should also be stated that the shows do have some similar traits too.
It's been mentioned more than once, but the feel of the production changed massively with each "jump" in era - although it would be right to say that some things also stayed the same.
I'd suggest that TMP, TWOK and SFS had some similarities to Disco in terms of their presentation. The cinematic nature lead to bridge sets that were darker for example. Established races changed their aesthetics for another.
TUC - arguably my favourite of the TOS films - dealt with racism within Starfleet, a clear indication of things not being perfect. They even have a character state that "all klingons look the same".
I think, also, that when one takes a look at other media, the constantly shifting nature of presentation and storytelling is similar to what we have seen with Trek.
Comics such as the various Marvel or DC ones are a clear example of how much things have changed since the inception of certain characters.
Even sitcoms, dramas, even documentaries (i.e. productions that don't necessarily have a continuing set of characters) have changed to fit the tastes of the period.
This will be due to changes in tastes of those producing the shows, contemporary acting styles not necessarily meshing with the feel of older shows, and appealing to new or different audiences to try and expand the fan base to allow things to continue in future.
TL;DR - stick all this hate, f* the aggressive slating of each other and the shows, if you like it you like it, if you don't then you don't.
There is a 700 episode back catalogue if you don't like the new stuff, and there is about 70 or so new episodes of you don't. No one is losing out really.
As a wise man once said, "Don't worry, be happy"
