Cox v. Sony did not close the AI copyright debate — it narrowed it in ways the entertainment industry has not fully absorbed. The ruling established that fair use arguments for training are viable, which means every subsequent lawsuit now faces a precedent it must distinguish rather than ignore. MiniMax's motion to dismiss in the Disney case cited exactly this dynamic: Disney's suit against MiniMax confirming the dismissal pattern shows that AI defendants have a ready legal framework to invoke before cases even reach discovery. Hollywood filed more suits this…