[alfor]

Yes, when it’s clearly a derivative, but that’s not the common case. Mostly our understanding is derived from thousand of places and come out in different ways.

My kids learned to really read with Harry Potter. Must they pay JK Rowlings each time they formulate complex ideas, create new stories or read another book?

In the same way if the model was trained on thousand of animes pictures and now can generate in the same genre I don’t think we can apply the copyright rules there.