You caught me. Man, you're good.
So how many people would be required to watch all of the door to all of the rooms in all of the dorms and classrooms on a 2600 acre university? Your emotionalism has gotten ahead of your reason.
The fact is if the cameras were at the doors the people watching them would have said what is this guy up to and checked it out
You have something to back up your "fact"? Please provide a cite. Somehow I don't think someone watching a door camera is going to pick up someone who hasn't revealed their intent and weaponry when passing through the doors before attacking persons in their room, but perhaps you have better knowledge.
Sorry, increasing the police state with cameras everywhere hasn't increased the safety of the citizens... just look at Great Britain where there are cameras everywhere, and it hasn't helped.