Earlier quoted context omitted.
Should not be different than a human artist producing something after looking at other media. The purpose of copyright is supposed to be to allow people to profit from their works by prohibiting their distribution by others. It seems to me the question of whether one work is a copy of another would be made on the basis of the works themselves, and should be independent of who the artists were. There is also a right t…
In the eyes of the law it might not be different, but in the practical upshot it is. Running the program may well produce a copyright-violating image, and you'd never know. An artist would have a much harder time doing that without knowing he was doing it. So then somebody sues you for using their copyrighted work and shows you their original, and you're left scratching your head, pointing at the computer.
If you don't put copyrighted works into the NN but then feed a copyrighted work to it as an input the result is still copyrighted.
I really don't find this that complicated. NN's having a license that is a composite of the software license and the licenses of the training data feels super natural.
See: What color are your bits? https://ansuz.sooke.bc.ca/entry/23