> Nobody is complaining about William Shakespeare or public domain works that are out of copyright. They definitely are, and I deliberately chose a public doma

> Nobody is complaining about William Shakespeare or public domain works that are out of copyright. They definitely are, and I deliberately chose a public domain writer for my example to get away from the narrow procedural grounds and focus on the issue: does generating a 'signature' or 'watermark' prove copying? No, of course not, and that's true whether you are in or out of the public domain. > If this is irrelevant, why is Stability.AI creating an "opt out" system for artists? What is prudent or nice or moral or good PR != legal. (And vice-versa, of course.)