I asked this same question a couple weeks ago (although I didn't state it exactly the way you did), but I ended up getting labelled a troll over it...
In short, Ute fans disgust me. Sure, there are a few here and there that are halfway respectful, but the majority of them are hate filled jerks to put it lightly.
It seems to me that they hate us because we are the more successful school, and we are sponsored by the LDS church...
Some people just like to hate.