Really don't understand the stance by the university here. Just because its offered it is not forced to be purchased, its a choice. In the case of the Vault, its also part of being a good partner to PBA. They have yet to turn a profit this many years after opening. They are saddled with a slate of games that don't draw well when those dates could be used for events that do (women's games vs say a concert). Alcohol sales end up becoming a tax to those who wish to partake. Should PBA continue to be in the red the entire tax base will be picking up the load soon. PBA needs to make more money per event and this is an effective and fair way to do so. NU fans are not going to turn into a crazed bunch of degenerates because there is beer being sold.
Out of all the events I've been to at Century Link I've yet to see a disturbance or people being escorted out nor do I see people staggering about. Its silly and hypocritical when you see the amount of fans pregaming in nearby bars, tailgates prior to every NU sporting event or watch the sea of red clad fans lining up at away games in CenturyLink or TD Ameritrade.