If I felt unsafe enough to consider buying an AK for protection, I'd take that AK money and use it for a down payment on a house in a safer neighborhood.
I don't really care that people buy arsenals and ammo, but using fear of government as justification seems dishonest. Just say you want one because it makes you feel powerful, or that you like to shoot shlt. As a hobby - sure, but using fear to justify your hobby is disingenuous at best.
It's the best years of your life they want to steal.