Good music is timeless. Music today isn't any worse than it's ever been. Unless your basing modern music by what's in the "charts" Right now is the greatest time to be an artist. They aren't reliant on pish poor record company A&R men to get them signed and shìt radio stations to be bunged enough to play their toons. Great music is out there. All you have to do is look.
Well some of it is at least. He mentions that good music is not mainstream and in some ways he's right. There are loads of great bands out there today you just have to seek them out which to me makes it more interesting. If you listen to the radio or watch MTV you'll find ****e and you deserve ****e.