What's your point? If someone murders your family in cold blood "with an ideal" and they "see themselves as good", for example because they believe your family

What's your point? If someone murders your family in cold blood "with an ideal" and they "see themselves as good", for example because they believe your family consists of infidels, does that make a difference? In any case, you didn't answer the question. The question is the direct consequence of your proposal. Not answering "yes" is incongruent, it's what you're advocating for; that one should do jobs that cause societal carnage, because otherwise someone worse than you might, and cause more damage. You're switching topics.