When extremely angry, or extremely wronged, or when one has undergone incredible suffering, or when filled with belief in one's righteous mission, it becomes very tempting for many people to ignore very strong moral norms. But that's also how so many others in the past made grave moral errors. Right now, it seems important to make an assertion that is so obvious that one shouldn’t have to say it: Even in a war, all militaries/armed groups should be very careful to avoid unnecessar...