Cody Wilson is popular in Bitcoin and libertarian circles for being very open with mainstream media about his Anarcho-Capitalist and Crypto-Anarchy beliefs. He is most well known for founding Defense Distributed, a non-profit organization aimed at providing digital tools that allow people to circumvent government regulations and surveillance.
I think they did the right thing, though it is right that guns don't kill people but giving the machines and making it totally anonymous for people is a bad idea