“Who Knew” is Eminem’s way of ridiculing those who believe his music causes fans to commit ridiculous acts. Throughout the song Eminem takes a satirical approach to the criticism of his negative influence on the youth, while simultaneously pointing out other, more important factors.

While “Who Knew” is very tongue-in-cheek, Eminem goes more in-depth about his effect on the youth in “Sing For The Moment.”

This was intended to be the lead single from the album, but Interscope wanted something more radio-friendly, so Em penned “The Real Slim Shady” for that purpose.