Marvel Studios

Not OP, but these were my issues with Marvel:

I was fine with each individual hero and their universe. I ran into problems when the universes started to mix: science fiction with fantasy with space opera with magic. It was just too much trying to be jammed into one not-coherent theory. I learnt to at least partially ignore it, though it still bothers me.

When they started to merge the heroes' storylines in the movies (I guess phase 2/3), that was fine - but then they started dropping inter-movie continuity bits into the comics. You could watch the movies without reading the comics, but there were things that would make a little more sense if you'd read the comics. And I get that, you want to maximize your profit, get people into your other products, keep their interest.

And then they brought in Agents of Shield. Suddenly it's not just three movies a year and you can watch them when you have time even if it's three months late for some reason. No, now you have the tv series every week, and there's a timeline there: you have to watch up to this point before you see a movie, but you can't continue the TV series without seeing the movie or you risk being spoiled. Suddenly it's no longer something for casual time, it's a commitment.

But you like the characters and the story and you've gone along this far and you want you see them play it out, so you keep going. And they're introducing even more heroes and more threads to keep track of and it becomes annoying. And then Endgame happens and you breathe a sigh of relief: your commitment is over, this time suck is gone.

Some of the new characters and storylines are interesting, I'll give them that. But I spent 15 years on the MCU, had my favorites and my passions, and ... I'm just burnt out on it. I'm not going to bother getting attached to a whole new set of characters. There are some I find intriguing, either because of the actress/actor or because of the storyline, but I just can't be bothered. There's too much content and I'm not interested in investing that much time and effort and energy into the MCU anymore.

I can't say I agree. He's definitely portrayed as practical heroic, but still heroic in essence. I didn't even see it as redemption as much as just reiterating his heroicism. He's not a monster even if people see him that way.