If you think that AI generated beige music is nerdcore, you don't know what you're talking about. The best is far more sophisticated and deeply - sarcastically - self-referential that I think it would be a real challenge for AI to come up with something both compelling and meaningful.
I don't have strong opinions on whether the AI music I listen to is nerdcore or something else. Maybe I didn't use the correct term.
I think you touched on the point: people who don't actually care about music think musical pablum is 'good', because it slides in their ear and out without challenging them with actual 'listening'. This guy even assigns a genre to his slop while clearly knowing (and, really, caring) nothing about what he claims to like listening to.
I do care a lot what I listen to. It takes me while to find songs that I like.
Also I am not listening to AI generated music that I generate myself.
These are some channels whose music I like: