All music is derivative. And if you think the best vocalists or musicians should be the most popular I may have some shocking news for you. The idea that American pop stars are authentic is pretty funny.
Yeah Korean pop idol culture has some extremely toxic elements to it, but so does American celebrity culture. I don’t get the feeling that’s what’s bothering you though.
So it’s not a problem with AI. It’s just a problem for some mayfly companies that try to profit from the latest trend?