There’s hardly a scarcity of movies at the moment
We'll still see mainstream franchises though, because IMHO it serves as a form of social glue, i.e. gives people common things to talk about and experiences to share.
Probably, but quality movies aren't the gumption behind cost cutting at Hollywood studios. If indie movie producers want to use new technologies, they should go for it, but they won't have access to background actors who are tied up behind large studio contracts, unless they just open source themselves – which seems slightly dystopian.
I've read a fair bit of fantasy fiction (think Lord of the Rings derivatives), and after roughly 25-30 books, it just becomes a slog to read through, there are very few original ideas.