Why does everyone hate My Chemical Romance so much?

I've noticed that a lot of people hate My Chemical Romance and think they suck for no apparent reason other than "they're a whiny emo band" or something like that.
So, what are your reasons?
Update: I know they're not emo.
Update 2: To Cold Roses:
Um, okay if I perpetuate hatred. I don't care. I'm not saying you have to like them, it's just I wanted to know why people didn't like them, because people say that they hate them all the time and don't give reasons.
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