Something not mentioned that links to both LLM training AND drop in book sales... Anna's Archive
I don't think so. That behavior only tells you the modest cost of sending takedown notices/threatening letters is less than the (supposed) lost revenue. Kids I know (I'm a teacher) don't seem at all aware of it when complaining about textbook costs and I kind of vaguely hint they look online for it--nothing like the popularity of napster.