> Why don't book publishers use a license that forbids fair use? They couldn't do it with a license, which only imposes conditions for the license to be valid.

> Why don't book publishers use a license that forbids fair use? They couldn't do it with a license, which only imposes conditions for the license to be valid. Fair use applies even if the copier has no license at all. Potentially they could do it with a contract. A license is not a contract and imposes no covenants on the parties.