Perry E. Metzger
Doomers keep saying they don't understand why anyone would commit violence on behalf of their cause. We have two possibilities here. One is that they're not telling the truth. The other is that they don't understand other human beings at all. Neither speaks well of them.
Nirit Weiss-Blatt, PhD
Daniel Moreno-Gama, in an interview before he arrived in SF with a gun and a hit list: