I have seen it, it's incredible (especially Gen-2 for synthetic video). We're coming at it from the other end, focus on Story (text scripts, image storyboards) like using Generative AI to help with plot ideas, titles, character ideas, mapping Acts and Beats, and drawing storyboard sequences for all the scenes.
Check it out, we just launched publicly with a 1-day free trial:
https://cyberfilm.ai