I think with a book your standard digital license / copyright would forbid it, would it not?

Yes! They publish the data sources and where they got everything from. Diffusers (stable diffusion/midjoirny etc) and GPT both use tons of data that was taken in ways that likely violate that data’s usage agreement.

Imo they deserve whatever lawsuits they have coming.

I dunno, I see the steam deck as a huge win for Linux. It shows people how simple Linux gaming can be.