It boils down to dollars and cents.
Why should the creative sources (artists, actors, writers, etc.) be left out of the cut, while the tech companies are reaping the rewards?
"But those stars are rich, they'll survive."
Yeah, maybe - but the creative world is 0.001% wealthy people, and the rest being people that barely get by - and could earn more money by doing pretty much anything else.
I get the argument about copyright protections stifling progress, but it bugs me something fierce that people here are essentially saying it's OK for the AI/ML creators to become filthy rich, while the people they are ripping off should just do something else.