To make AI truly work, we found ourselves reinventing many of the same principles we learned decades ago at Pixar: story, 3D layout, eye direction constraints, “inverse kinematics”, and the performances of real actors.
Most importantly, every shot is still driven by humans — whether through live acting, puppetry, or keyframe animation — treating AI as the renderer rather than the director.

References:

https://www.linkedin.com/feed/update/urn:li:activity:7432203669594583040/ It's a post by Colin Brady, who is an ex-Pixar. This is a post where he talks about the film Star Rifter, which they created.