Not really. Its stated job is to keep other people from killing you.
It's unfortunate and unjust that in many cases this devolves into pre-emptive killing. But for most sovereign nations, there's really no alternative to having a military.
Yes. And I have never been faced with someone with a long military career. If they were interviewing straight out of a long career, it would definitely fit into the "senior person" context as mentioned.
It's a tough question, for sure, but I don't think I would be able to shy away from it. I guess we'll find out if I'm ever in that position... I should probably prepare for if that ever happens.
My stance on this has been getting firmer and firmer the more senior I get. I honestly wonder if I'd have the presence or guts required to ask that hard of a question.
However, with FB it is less obvious due to their fancy talk about community and shit. I understand your outrage about facebook, but I don't understand you can give a pass to people who essentially say: "I gonna kill people, it is okay, they are probably bad people anyway".