Utah has been doing this for years at their colleges with no problems.
Yep. So has Idaho. You should have heard the shrieking and dire predictions from the hysterics on the faculty when the law went into effect. So far, no bloodbath.
I did hear one of the more earnest souls ask a professor friend of mine what he would do if some disgruntled student tried to shoot him. "Shoot back," is what he said.