What the article takes pains to point out though was that despite competing gas technology, Haber not only invented but actively persuaded the German army to us

What the article takes pains to point out though was that despite competing gas technology, Haber not only invented but actively persuaded the German army to use it as an instrument of war. He did so in direct contravention not only to the rules of engagement at the time, but even the moral objections of his wife. This laid the groundwork for scientists in Nazi Germany to not only contribute their knowledge to war's death machine without remorse, but to feel compelled to do so as a moral good.