It's funny, because griz fans think we are horribly obnoxious when we win, and really bitter when we lose.
Basically when we win, we have the same attitude as griz fans. Kind of annoying isn't it?
It is easy to hate a program because they consistently win, but you can still be a constant winning program and not have everyone hate you.
For examply, I don't hate the Patriots, Lakers (when they were winning), or Avalanche. Most of the teams I hate I hate because they are rivals of my team. I hate the Yanks cuz I'm an Orioles fan, I hate the Niners cuz they are a Rams rival, and I HATE the Red Wings because I'm a big Blues fan.
I hate the griz because I'm a big Cat fan. I'd hate them if we won 30 in a row, I'd hate them if we lost 30 in a row. I wouldn't be near as bitter if we won 30 in a row, but I would certainly hate you guys just as much.
The problem with so many winning programs is the fans become so arrogant and condescending, they are 50% of the reason the team itself is hated. As a previous fan of the Griz, I did get sick of the attitude of the people around me at the games, and just everywhere. When I became a Cat fan, I just meshed better with the fans. I will agree the hatred is a lot more one-sided now, but a couple more wins and that will start shifting again.
PS - For those curious, I was a Griz fan since I was little, my parents were both UM grads. I was never a huge fan, mostly because I didn't care about IAA football whatsoever, I just liked to watch football and lived in Missoula. I went to MSU, even though I wanted to go to UM, I decided I wanted an education.

Went to MSU, became a huge Cat fan, and IAA fan, end of story. Now I don't even really like IA football.