That's the whole Whit Ball scheme. Move the ball 3yrd/play until the defense creeps up, then take your shot at a bigger play.
If you can do it, it is a great plan. Super frustrating for opposing defenses.
Best case scenario is BYU goes up early and Utah panics a little and starts trying to score more quickly. What is very, very disciplined though and seems fine to take 8 Minutes to score even when down 21 in the 3rd q.