With this kind of tech, do they really think regulation, bans or new laws will ever be able to do away with firearms?
As with drugs, making them illegal or harder to obtain just opens a market for illegal, completely unregulated weapons that cannot be traced.
If one is able to think clearly, one would come to the conclusion that something cannot be "un" invented. And given enough incentive, anything can be manufactured.
"Before diagnosing yourself with depression or low self esteem, be sure that you are not, in fact, surrounded by A-holes." - William Gibson
"Just because I don't care, doesn't mean I don't understand." - Homer Simpson