And when we see the edges of that control, people will be interested in seeing things that make it "the old way," part of the reason you see a lot more practical effects these days, and I would include the background-in-unreal backdrops there, because they read as more real than actors in front of a green screen—for reasons that are totally unconscious unless you are highly trained in the differences.
While I do think gen AI is going to change how movies and TV shows get made, anyone telling you it will be a whole hog replacement has not studied the history of multimedia and probably hasn't made anything that required a high-level of vision themselves.