I actually agree with this. All along, people thought that automation would mainly replace manual labor (which I also disagree with in many instances -- I believe people should be able to make a DECENT wage doing things, even manual things, even if other things become more expensive for people "at the top").
It seems likely that AI will either replace or augment people in the most creative fields, creating a homogeneous MUSH out of once interesting things, making us consumerist and mindless drones that simply react like amoebas to advertising, buying junk we don't need so that the top 0.1% rule the world, pushed their by their intense narcissism and lack of empathy (like Sam Altman, Ilya Sutskever, Sundar Pichai, Satya Nadella who are by definition narcissists for doing what they do.)
I emphatically agree, with a caveat: I work in the music business. I've seen homogenous mush before. AI and related technologies have already augmented people in the homogenous mush business, and will most certainly replace them, and this will serve a sort of mass market with mass distribution that's recognizable as 'creative fields' of a sort.
This is self-limiting. It's a sort of built-in plateau. You can't serve the whole market with anything: the closest you'll get is something like a Heinz Ketchup, a miraculously well-balanced creation with something for everyone. It's also a relatively small market segment for all its accessibility.
We cannot be made 'consumerist and mindless drones that simply react like amoebas to advertising' more than we already are, which is a LOT: whole populations are poisoned by carefully designed unhealthy food, conned by carefully designed propaganda in various contradictory directions. We're already at saturation point for that, I think. It's enough to be a really toxic situation: doesn't have to threaten to be far worse.
The backlash always happens, in the form of more indigestible things that aren't homogenous mush, whether that's the Beatles or the Sex Pistols or, say, Flamin' Hot Cheetos. The more homogenous everything is, the more market power is behind whatever backlash happens.
This is actually one argument for modern democracies and their howling levels of cultural tension… it's far more difficult to impose homogenity on them, where other systems can be more easily forced into sameness, only to snap.
It seems likely that AI will either replace or augment people in the most creative fields, creating a homogeneous MUSH out of once interesting things, making us consumerist and mindless drones that simply react like amoebas to advertising, buying junk we don't need so that the top 0.1% rule the world, pushed their by their intense narcissism and lack of empathy (like Sam Altman, Ilya Sutskever, Sundar Pichai, Satya Nadella who are by definition narcissists for doing what they do.)