You skipped quotes about the other important side:
> But Alsup drew a firm line when it came to piracy.
> "Anthropic had no entitlement to use pirated copies for its central library," Alsup wrote. "Creating a permanent, general-purpose library was not itself a fair use excusing Anthropic's piracy."
That is, he ruled that
- buying, physically cutting up, physically digitizing books, and using them for training is fair use
- pirating the books for their digital library is not fair use.
> But Alsup drew a firm line when it came to piracy.
> "Anthropic had no entitlement to use pirated copies for its central library," Alsup wrote. "Creating a permanent, general-purpose library was not itself a fair use excusing Anthropic's piracy."
That is, he ruled that
- buying, physically cutting up, physically digitizing books, and using them for training is fair use
- pirating the books for their digital library is not fair use.