This is an interesting article by Alexis Madrigal about violence between musical factions in Mexico:
Anti-Emo Riots Break Out Across Mexico
Emo kids get plenty of shit in the United States, but in my lifetime I have yet to see hatred between musical factions as organized as that which seems to be currently spreading across Mexico. Madrigal ties much of the anti-emo sentiment to the androgynous nature of the music and fashion, and the homophobia which is rampant in much of the world, but apparently very much so in Mexico. It's sad that we can't just live and let live.