Parents who smoke are a much greater threat to their children (due to the increased probability of them taking up smoking) than are the toothy critters outside the back door. I don't advocate establishing quotas for shooting smoking parents either. Shooting one that is a serious threat is different (I'm referring back to the critters here). Someone who thinks they can move into a "wild" area and then kill every potential threat is looking for some kind of Disney wilderness. No less than someone who refuses to allow deer hunting in their leafy suburbs.