You'd almost have a point if the Japanese hadn't done a whole lot of other crap other than waterboarding. Unfortunately for idiotic argument they did. Beheading, bastinado as they called it in the inquisition cutting of body parts even the old bamboo under the fingernails routine as well as starvation.
Look up the Bataan Death march sometime you idiot.
Look up the Bataan Death march sometime you idiot.