Mallory does do real damage. Yet for every physical assault, she delivers hundreds of non-physical blows. These are emotional, social, and economic. She is much more likely to drive her victims to suicide, than to murder them. When you look at psychopathy as a disease that damages Alice and Bob, it becomes obvious. A parasite or predator must find a balance. Mallory must work in stealth. Overt activity leads to detection.
