They aren’t even using an engine they built themselves. It’s built on top of Unreal Engine 5 which performs great for a ton of other games. They had to put effort into making it as badly performing as it is. It’s crazy.
> Buying used copies of books, scanning them, and training on it is fine.
Buying used copies of books, scanning them, and printing them and selling them: not fair use
Buying used copies of books, scanning them, and making merchandise and selling it: not fair use
The idea that training models is considered fair use just because you bought the work is naive. Fair use is not a law to leave open usage as long as it doesn’t fit a given description. It’s a law that specifically allows certain usages like criticism, comment, news reporting, teaching, scholarship, or research.
Training AI models for purposes other than purely academic fits into none of these.