they'll litigate how meta acquired those materials to train. you can do whatever you want with a book after it's in your house. but how did it get there?

Until Sony, Nintendo, Disney... sues them and Zuck craps down his pants. And the NSA themselves, too; because for sure they are half-backed from them. If they keep pirating down Japanese and European media, these can just wipe their asses with USA licenses and declare all media from the US un-Copyrighteable Europe and Japan.