This doesn’t seem to satisfy the artists.
Ideally we’d see something opt-in to decide exactly how much you have to give back, and how much you have to constrain your own downstream users. And in fact we do see that. We have copyleft licenses for tons of code and media released to the public (e.g. GPL, CC-BY-SA NC, etc). It lets you define how someone can use your stuff without talking to you, and lays out the parameters for exactly how/whether you have to give back.
Many people would probably happily allow use of their work for this if asked first, or would grant it for a small fee. Lots of stuff is in the public domain. But you have to actually go through the trouble of getting permission/verifying PD status, and that's apparently Too Hard