In "On Killing" [0], the author argued that WWI troops consistently aimed over the heads of their enemies, in order to avoid ever actually killing someone. Thi

In "On Killing" [0], the author argued that WWI troops consistently aimed over the heads of their enemies, in order to avoid ever actually killing someone. This tendency obviously ran counter to the goals of the generals, so after WWII the military devised ways to make the soldiers comfortable with aiming at people. That's just to say - even among active-duty soldiers, there is a spectrum of those willing to kill or not. [0] https://www.amazon.com/Killing-Psychological-Cost-Learning-Society/dp/0316040932 https://www.amazon.com/Killing-Psychological-Cost-Learning-S...