banning something will not make us safer, if anything it'll promote illegal dealings in order to obtain the object in question
promoting the purchase of such items can also decrease safety since they more than likely fall into the wrong hands
if you want safety, you need Big Brother breathing down your neck and a shock collar which activates anytime the government or whoever is in charge thinks you're doing wrong, there is no complete way to promote the illusion of safety other than to see the "bad guys" getting dealt with, which makes most people feel glad they aren't them and that they aren't doing something to make themselves enemies of everyone else
promoting the purchase of such items can also decrease safety since they more than likely fall into the wrong hands
if you want safety, you need Big Brother breathing down your neck and a shock collar which activates anytime the government or whoever is in charge thinks you're doing wrong, there is no complete way to promote the illusion of safety other than to see the "bad guys" getting dealt with, which makes most people feel glad they aren't them and that they aren't doing something to make themselves enemies of everyone else