Why not just let him be another dumb white kid with baggy pants and stupid hair listening to music he’ll never really understand? My usual response would be, “LIVE your stereotype!”, but in this case, I think it’s ”Live your OWN damn stereotype.” (“Mommy, why are boys' pants too big and girls' clothes too small?”)
Keep trying to help us understand, Lisa. Same to all of the thoughtful commenters. People need all the help they can find. The important part is that you are teaching your son to question his beliefs and desires (and the power of Spectacle marketing) before acting on them.