This entire video is worth your time, but the most important part is right here:
https://www.youtube.com/watch?v=oVME_l4IwII&t=419s
He said in the 60's and 70's it was so diverse, different styles, trying new techniques. Now everyone just wants the "formula" to get a hit, not about the art anymore.
I didn’t see your post and posted the same video.