I don't think that quote helps your case or detracts from the parent. Tangentially—and perhaps counterintuitively—it can be taken as an argument in favor of the name change.

The statement also does little to address the ethical concerns at the root of the relationship between industries and the military.

They noted it but I think the important part was before then the Department of War only really existed when congress declared war. Once the war was over 95% of those people went home and back into civilian life. So even if a President wanted to start a war they had limited resources to do so unless Congress declared war and re-expanded or formed a Department of War.