> Haber also invented the Haber process and on the whole probably saved an order of magnitude more lives than were lost to his inventions. This is not a very g

> Haber also invented the Haber process and on the whole probably saved an order of magnitude more lives than were lost to his inventions. This is not a very good defense. He could very well have chosen not to develop those weapons. He made a conscious decision to kill lots of people, and we can and should absolutely judge him for this, independent of anything else he's done. We don't give surgeons a quota of one free murder for every ten lives saved either. (Edit: As always, I'd be interested in constructive criticism from the downvoters.)