But mostly just porn.
As they say, porn is always the leading spear of technology. It's something to keep an eye on (no pun intended) to understand how society will accept/integrate generated content.
However, commercially it seems like a niche within the existing structures of porn. Mostly competing with the market for animated stuff. At least that's where it is right now, and its already at photorealistic parity with human content creators.
We have not had the ability to create interesting ai porn vids yet. How would we? Meta just showed movie gen.
But i'm pretty sure the short images of moving woman very subtle might gotten the one or other of. Just wait a little bit until you can really create wat you are looking for.
What scares me most is that in my opinion, by far the best prompt writers are the ones who are deeply "motivated" and "experienced" with prompting. Often the best prompters have only one hand on the keyboard at a time.
I'm not sure exactly what models the account owners use, but I think it's a mix of Stable diffusion video touched up with adobe tooling.
I can trivially fine-tune and create more art from certain artists in an hour than they have produced themselves in their whole careers. This makes a lot of people very upset.