Say you want to create a historical drama that doesn't look like crap. You have two options. Either create massive physical sets or (as is increasingly popular in Hollywood) CGI ones. Both cost an enormous amount of money. It isn't just tedious popcorn movies about superheroes or aliens that require massive budgets for effects.
Tbh I would like to see a movie about superheroes or aliens from a non-Hollywood director as well. They could put their own unique spin to it.
This sounds a bit like District 9 (albeit having Peter Jackson as producer might exclude it) - the director then "graduated" to Hollywood, resulting in a decline in critical reception (though I've heard Gran Turismo is pretty good by video game movie standards).
The latter is nothing to do with CGI or production budget: it's about marketing budget, in which AI has less to offer.
The former, in my view, will not be aided by AI. The "glorified stage plays" are (not always but on aggregate) of significantly higher quality than quite a lot of Hollywood output. AI won't change that in any positive way.