There's nothing wrong with emo music, all emo means is that it has emotions, and just beacause people want to listen to bands that show emotion, and aren't mindless robots, there's nothing wrong with that. From what I hear, emo clothing isn't that bad, what's wrong with baggy jeans and band t-shirts? But Self harm is wrong, but not evil since it doesn't harm anyone else. But it's still wrong. And not all emos slit their wrists.
Finally my chemical romance are not emo , frontman Gerald Way said that emo music is "a pile of trash".
I think people are unfair on emos, there's plenty of worse people like black 'gangstas' but no-one makes fun of them.