Do you know what the "Millennial Whoop" is?
This video explores, from scientific and economic perspectives, megatreds that have been conspiring to make much of our pop music really awful. It did not just happen. There are powerful factors at work. This is a long video, about 20 minutes, but well worth understanding.
Of course there are many musicians still producing great art today. But they rarely enjoy commercial support because the commercial music industry has moved entirely to a low-risk manufacturing model.