Great. Now how about extending that to the rest of the citizens of this country, seeing as how we are all supposedly subject to equal protection. We're not supposed to have a caste system in this country, the last I checked.
No, we're not, but we do. And we have had one for some time. Look at 'may issue' states... Heck - IL allows for no regular citizen to carry period.
Incrementalism works in both ways.