Not sure why so many mistakenly think Vegas is prediction outcome of games when they are predicting where public bettors will take as many on one side of the line as the other.
Just because BYU has been covering doesn't mean Vegas is wrong. It does mean the bettors on BYU's opponents have been wrong.
I assume I will be explaining this until my last breath perhaps on what Vegas is trying to accomplish to make money at the Sportsbook.