Because you are what you wear.
I stopped wearing band shirts in high school. I gave them up because whenever I wore one to a party or a group hang, within 0.3 seconds I'd be bailed up by some interminable Music Dude.
Plus we've got a special code to give you 20% off all KOL's Barking Irons designs.
"Why not support one of your favorite bands?" you might ask. Simple: The majority of their fans are fucking idiots.