If AI can write, direct, act, and stage the movie then what is the production company for?
If everything can be done by computer, then one small shop can type the idea into some cloud service and spit out a movie just as easily as Disney.
Sure, for a couple years things might be proprietary, but just like every other software innovation, it’ll quickly trickle down to everyone else and then the only thing left for a studio to do is marketing.