That's just what 'The 100' does. They like to put their characters in a position where no decision is the right one, you know? You have to kind of just hope that it works out.
People who weren't there can say it was idiotic or shortsighted, but when you're in a moment where horrible things are happening in front of you, sometimes you just need to act on what's best.
I personally don't like guns at all, so pointing a gun at someone or having a gun pointed at me makes me feel very unbecoming. I think they're a scourge.
