i think this is one of the most important ethical sorts of circumstances one can ask themselves about something that the entire potential future of humanity could rest on. What should be pointed out, though, sometimes is that our views on these things have been colored by the intervening history. Sometimes you might compare them to excalibur, a super weapon that has fallen into the hands of people who see themselves as king arthur. And a weapon like excalibre in the hands of an individual like king arthur is a potential awesome force for good. See how murky and morally mthiss? This is the ethical dilemma of saron's ring, right in the lord of the rings, isn't