I don't think you are going to be able to stop AI churning out material, be it pop songs, newspaper articles, books, art etc etc
However I think there might be a new market for "human generated art" that sells at a premium. We already have "artisan" products that are similar (or worse!) quality, but sell at a premium because humans made them.
Alignment will be one of the biggest challenges the entire human species faces over the next 50 years. Assuming we survive climate change that is!