Narrow code-warring aside, Garzik is not ideologically aligned Team Cypherpunk. He's retweeting hand-waving "
Why won't Someone do Something" posts in favor of grabbing guns.
Not a True Libertarian confirmed.

While I'm also "not a true Libertarian" myself, Jeff is obviously a little bit confused about which country he lives in and it's culture. Other gun cultures do not have the same problems that the USA has, and so their problem isn't as simple as adding further firearms controls; other countries with fewer controls have less (indeed, zero) mass shooting incidents.