Overly emotional? 100% of their lyrics are are inter-connected science-fiction stories. And the guy's voice is more on par with that of a clown's. Hardly emo in any sense of the word.
They're also incredibly talented guitarists.
http://www.youtube.com/watch?v=VsrtI7Puwx4
Disliking them is purely a matter of taste. Though I completely understand the dislike.