It's super early, and a lot of artists have issues with controllability that make the tools hard to incorporate. This is quickly changing.

Here's a really small scoped short film made with the limited tools available half a year ago. It accomplished simple storytelling with limited tooling:

https://m.youtube.com/watch?v=t_SgA6ymPuc

You're going to see more and more ambitious stuff soon. We're beginning to have the ability to control characters, have consistency, block, and steer.

There was a Mario Brothers music video set in a swampy trailer park, actually watched that to the end.

Couldn't work out if this channel is the creator but there a bunch of them - https://m.youtube.com/@demonflyingfox/videos

If the singing is ML-generated then I think that's pretty impressive too.

Looks like the channels started out as still images with Ken Burns Effect only 2 years ago. That's some progress.