"The arguments that actually matter are data." Clearly an argument that purports to be based on data is fatally weakened if the data don't support it. But as H

"The arguments that actually matter are data." Clearly an argument that purports to be based on data is fatally weakened if the data don't support it. But as Hume posited, "You can't derive an 'ought' from an 'is'". Presumably the data showed that Zyklon-B and napalm were very effective at what they were trying to do. But the data is not the end of the story.