In this age of nuclear power, advanced research, and mathematical models there has been a gradual depersonalization of warfare. It is easier and cleaner to work with figures than with a bayonet and to be once removed from the ugliness of physical combat by the clicking of a computer solution.
Simpson, Howard R.
"The Guerrilla and His World Psychological Aspects of Guerrilla Warfare,"
Naval War College Review: Vol. 21
, Article 3.
Available at: http://digital-commons.usnwc.edu/nwc-review/vol21/iss8/3