Understood, but murdering them would only strengthen the enemies of the Jews. It loses the debate by default. It says "I would lose to you in a debate so I must kill you to stop the truth".
By contrast, Alan Dershowitz has challenged Jimmy Carter to a debate over Carter's book on Israel/Palestine. Carter chickened out, and Dershowitz won and his side won. Dershowitz shows the way on this one.
I dont agree at all. Torture them, slit their throats, gut them, and hang them upside down on a pole. Let others who would spread hatred of Jews see them and be afraid, as it is so proscribed in Deuteronomy.