I'm curious about what will happen if/when we encounter alien races and 'indulge' in a little armed conflict.
Ethically, would we argue that you're not allowed to blast alien scum with guided, soft-headed bullets? Hell, they're not even from our solar system ... why should we apply our morality to a species that intends to eradicate not only us but our entire ecosystem (ie Americans ... just j/k).
I mean, soft headed bullets are illegal in warfare I believe ... but don't police forces across the world use them because they're more likely to embed in the target rather than pass through and ricochet, endangering bystanders?/quote]
Warfare yes, but police are not military, at least not in the US and Europe. But that's a matter of stopping power. At the ranges that police engage threats at, soft point, hollow point, or FMJ, chances are the bullet will go through the target, we humans are pretty soft and squishy like that and bullets are fast and small. The reason FMJ rounds are used by militaries comes down to the fact they cause less atrocious wounding. And a lot of military grade weapons will only chamber FMJ rounds, that is to say, they can chamber other rounds, but not without the potential for malfunctions. The production line are also producing military grade ammo that is FMJ. Why retool just for added stopping power? Especially when FMJ rounds are more effective against armor (depending on the caliber, anyway. 9mm Parabellum, regardless of the jacketing, is nearly useless against most types of body armor, 7.62 NATO on the other hand...).
As for the ethics, I'd like to quote/paraphrase Dr. Mordin Solus (or Bioware, as they wrote the character): "Never... [used them on] species with members capable of calculus." I think the US military would agree with me, if only because retooling weapons and production facilities would be a major pain in the ass.