>This last century ... example of ideologies that allowed otherwise perfectly normal, God-fearing, salt of the earth folk to turn into horror-machines of rape, mutilation and slaughter.

well, just off the top of the head - today we have Yemen, Rahingya, Syria - the places where large number of innocent people/civilians suffer and die as direct result of other, reasonably normal, people just doing their job of inflicting that suffering and death in the name of the cause that is presented as a pretty good cause in all these cases - fighting terrorism.