Well, then I'd say you're no better than them. [ He says it like he's reading off a speech he's memorized fifty times. Honestly, the answer is the same no matter what examples the other person gives. McCoy's seen horror and destruction. He's seen the lowest depths humanity can sink, and he's seen how high they can rise as well. It never changes his answer, though. ] Fighting fire with fire turns everything into one big damn fire. Killing might be easiest, but it's not the only way to stop someone or something.

[ Of course, McCoy has the luxury of technology on his side to make that approach a lot more feasible. ]