It's obviously absurd to enforce copyright as bytes are copied around instead of as it is used. Training an LLM is a different thing than re-hosting and giving away copies to other people.
If you don't want people to transform your works - keep them private. You don't own ideas.
As the article says, Meta /was/ giving away copies to other people by seeding the libgen torrents. This isn't the usual case of "should companies be allowed to train on books".
https://www.engadget.com/2015-12-21-peter-sunde-kopimashin.h...
It's obviously absurd to enforce copyright as bytes are copied around instead of as it is used. Training an LLM is a different thing than re-hosting and giving away copies to other people.
If you don't want people to transform your works - keep them private. You don't own ideas.