I wonder why you see his chemical weapons developments during WW1 as a particularly egregious sin. My great grandfather was on the front lines in France and wa

I wonder why you see his chemical weapons developments during WW1 as a particularly egregious sin. My great grandfather was on the front lines in France and was gassed several times. To the day he died you could see the veins in his eyes from that experience, but when I went to the local VFW with him as a child and saw the men with no arms or no legs - the product of boring old TNT and shrapnel - I would always ask myself why we handwave that as the costs of war.