there was a program in the uk about this called "the truth about killing" the claim made here was something along those lines , this program claimed that the only people who shot to kill were madmen or hero's like the soldier on sword beach (i think, sorry if im wrong) who cleared and captured 2 german machine gun bunkers. personly i think a statement like this is way to generalised who's to know what every single soldier in ww2 was thinking when they fired their shots , wouldnt it depend on a series of factors? like their state of mind , the situtation they were in (assualting, defending, surrounded etc), if friends were threatened?. we can not answer the question.