No, it doesnt. Responding to mere speech with escalation or violence has not ever worked in the responder's favor. It has instead fueled coups and revolutions (like the American civil rights movement).

Killing someone for their ideas sends the wrong message and grants them more legitimacy than anything. You elevate them to the same status as Jesus Christ, whose popular namesake religion is predicated on sticking to your beliefs in the face of any and all consequence.