https://forum.beyond3d.com/threads/promethean-ai-content-production-tools-ai-based.60954/
The long haired hat guy in their promos, Andrew Maximov, was a lead technical artist at Naughty Dog.
I don't think this means that much. He was good at being a guy that new a bit of art and a bit of coding, without being a wizard at either. He certainly is a talented and experienced guy, but even talented experienced people can end up biting off more than they can chew. In fact, gaming history, or history in general, is filled with such examples.