It is bad though. The tone is really similar on all the tracks, the solos are closer to guitar noodling, the structure is extremely predictable, etc. Ok, maybe not strictly bad - but definitely not good. Like, I'm not good and I feel like I could write a lot of similar stuff given enough effort and trying to sample bits of Led Zeppelin, Omega and others.

So I copy someone's music, publish it under my name, and then say "Nobody seems to be complaining that it's bad music. What's the problem?"

First, people listen to absolute garbage. General taste is not a standard. Second, the quality of the music doesn't make other problems magically disappear. This music is built on enormous amounts of other people's music, and at the same time threatens to almost completely undermine music making, from amateur to megastar. That's a problem.

We’ve had engineered hits from committees dominating pop music for decades now. This doesn’t seem any less authentic, and apparently people like it.

Really, what’s the difference between this and virtual bands like Gorillaz?

Whether music is good or bad is highly subjective. There is a high chance that I would find music you like to be crap and vise versa.

So true.