Would this mean that ILM / Pixar will be unable to copyright their AI-generated movies? Assume that they generate the entire movie in low poly count with flat

Would this mean that ILM / Pixar will be unable to copyright their AI-generated movies? Assume that they generate the entire movie in low poly count with flat shading, enough to properly prime an AI to generate incredible-looking movies. It simply cannot be true that they would lose the copyright to it just because they immersed it in AI.