Maybe Anthropic should have paid attention to the law that has $150k statutory damages per violation if the infringement is willful. So much cheaper just to buy the books and scan it instead of violating a law that has a statutory damage clause.
Meta case just affirmed that training an LLM is fair use under transformative use. Alsom, Google's indexing(transformative use) of scanned books is settled law with Authors Guild v. Google.