Why what? Why do more men buy guns than women? Why do people commit suicide? What are you talking about? You didn't think the method of choice was relevant to the outcome, but it is.
I'm not calling anyone a coward, very far from it. That's your interpretation, not mine. Please don't put words in my mouth. ETA: I see - you though I was responding to the "braver person" part but I was responding to the easy/difficult part.