This is nothing new, your examples are great ones too, the benefits we got are, lots more art for everybody. To take the side of the composer/performer/artist is natural I suppose, but that's such a tiny fraction of humanity. To ignore the clear and positive upside, even claim it doesn't exist, is disingenuous?

To criticise AI music for being the same as human music, is a curious thing to say if one doesn't want to distinguish the two somehow? I missed that point entirely I guess. I don't know why that sentence was there at all then.