He believes a lot of music today is trash. Does he have to praise today's music to be humble? It's his honest opinion, I don't see what's wrong with it.
Don't do this bae, this will only make people think of you as a cocky ass. YES your album is amazing and is selling so good basically ******** on all them rappers BUT that doesn't make it ok to trash others don't fo the Kanye route sis