I thought Utah didn't care about BYU (a mid-major) anymore now that they joined the Pac?
Why boo a school that you don't care about anymore?
Think SUU, Utah St. or Weber St. would have been booed? Didn't think so.
that said, I bet the Little Brother Cheerleaders would have been booed had the Jazz game been played in Provo.
Which... I think is stupid... You're at a Jazz game for crying out loud not a sporting event between the 2 schools. Boo and cheer at the Holy War (as long as it lasts). Cheer everyone (BYU cheerleaders, Utah gymnastics, etc) when you're at a Jazz game because Utes and Cougars must unite as one Jazz Nation to defeat the evil empires of Kobe, Lebron, and the refs. 
Besides, I think it's worse because you're booing girls not overrated punkasses like Wynn or Kruger. What I would have given to see Wynn get smeared one last time by Ziggy or Van Noy. Or see Star pancaked looking up at the sky after slacking off once again. Or see Devonte drop another swing pass/reverse. 
Anyone else remember tony Parks claiming that Devonte was better than Hoffman? Ha ha ha, how'd that work out for ya?