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.
“When scientifically investigating the natural world, the only thing worse than a blind believer is a seeing denier.” - Neil Degrasse Tyson
No trees were killed to send this message, but a large number of electrons were terribly inconvenienced.