he actually makes a really great point if you think about it. He's saying he can like Miley Cyrus songs but he doesn't give a shit about her, he likes what the songwriter made. Pop artists don't make their own music 90% of the time, but that doesn't mean music isn't being created. If you enjoy a Bayside song, you like Bayside because they made that music. If you like a Justin Beiber song, you like whoever wrote that song for him.
Glad to see someone gets it. Hes saying its about the craft, any kid in america with a halfway decent voice could be Miley or Justin, but to write the song takes talent, its talent, craft, over image.