Max Martin is considered incredibly good at what he does.

https://youtu.be/DxrwjJHXPlQ?si=m-A6M8xrad5MrQqZ&t=151

Adam Conover discussed ad bumpers from the 1990s and 2000s. These were legal requirements for children's programming from the FCC. They're a compliance item, yet they were incredibly well made and creative in in many cases:

https://www.youtube.com/watch?v=0vI0UcUxzrQ

Because people at the top of their game will do great creative work even when doing commercial art and in many cases, will do way more than is perhaps commercially necessary.

So much of this AI push reminds me of the scene in 1984 where they had pornography generating machines creating completely uninspired formulaic brainrot stories by machine to occupy the proles.