I would hope that people with strong opinions about the uses and abuses of AI would start their own firms and hire people who are unwilling to use AI for whatever reasons. The competition should go a long way to proving the naysayer's points or disproving them. Personally, I think there is no evading the AI juggernaut and that artistic metrics or excellence metrics are going to take a back seat to pure shipping garbage faster metrics. The garbage will be come the new baseline of excellence and the former measures of excellence will be cottage industry artisanship with small and dedicated audiences.
As a small data point, I don't think AI can make movies worse than they currently are. And they are as bad as they are for commercial but non-AI reasons. But if the means to make movies using AI or scene-making tools build with a combo of AI and maybe game engine platforms puts the ability to make movies into the hands of more artistic people, the result may be more technologically uninteresting but nonetheless more artistically interesting because of narrative/character/storytelling vectors. Better quality for niche audiences. It's a low bar, but it's one possible silver lining.