Napster has single points of failure and future p2p had poisoned seeds for tracking.

Stable Diffusion is math and cannot be stopped now the toothpaste is out. You can attempt to regulate, assign draconian requirements by force of law, but ultimately these are as unenforceable as regulating that pi=3.

Ironically, what could help is NFT type tech. Signed with a private artist key, your copy is "original". Even if knockoff generative copies are produced, the digitally signed produced-bys are still authentic.