I'm not willing to blame other people for the insanity of one man. Maybe something could have been done to prevent this, but maybe not. It's hardly the right time to be throwing blame at everyone. You can reassess this thing in a few months. But right now everyone wants to blame the cops, the university, the president of the university and everyone but the shooter.
The blood on the ground hasn't dried and people want to see other people's heads roll. Maybe people should just shut up.
They are part of the problem. They created conditions that enabled this nutball to kill people.
Rational and moral people take actions to keep honest people honest and the criminals out.
You tell them, not me, what a great job they did. I simply disagree with their beliefs.