Killing them is required for self-defense. What's the point of dehumanizing them? Boosting soldier morale? Would it be okay to call Japanese and Germans slurs in WW2 for the same reason? Do the ends justify the means?
You've unfortunately been posting way too many unsubstantive and/or flamebait comments to HN. We need you to stop this—it's not what this site is for, and destroys what it is for.
We've already had to ask you about this multiple times, and if you keep it up we won't have much choice but to ban your account.
2. Getting away with murder when you're surrounded by men with guns is... non-trivial to say the least. Defecting to another country and leaving your family and friends behind can't be easy either.