I'm not saying that music is worse. I'm saying that we have reached the "end of history" and there will be no more new radical changes like when genres like rock, metal and edm appeared.

That seems like a different point than the one I made that you replied to, so sorry for the confusion.

I'm not too sure about end of history, there might well be other genres and styles popping up. Just because we always had the ability to paint on a canvas doesn't mean pointillism or cubism didn't emerge. Just because we can put any letters on a page doesn't mean new genres of fiction didn't emerge. The fact that we can generate any waveform is analogous to these (ie, having complete control over a medium) and doesn't indicate anything about what might emerge in the future.

We've had that capability for at least 3 decades and nothing completely new has appeared since then. Something completely new like rock, metal or edm. You could not have made those during the 30s - the necessary technology hadn't been invented yet.