If they're not careful they'll find they soon have a population of a few million instead of a few thousand.
I remember a few cities in the state of Chicago er, I mean Illinois, did that same thing.
They had had enough of the endless anti-gun drumbeat coming out of the "blue-goo" in Chicago and told them they weren't going to enforce their stupid unconstitutional laws.
I think it looked like this in slow-motion:flip:.