It's not all about the music, man

Branding, visuals, fashion, creative teams, training, agencies, viral videos, marketing, styling - and next to no mention of, y'know, actual music. Given the existence of K-pop (and, indeed, modern pop in general), where artists are as much products as their songs, is there really any need for the supposedly clever but horribly unfuny postmodern joke that is PC music?