But the fact you can go into a big supermarket and they have a gun section...is incredibly weird...or am I just not getting it...

If the NRA were just an association for hunters as it began, it would be fine. But nihilist nut-jobs have taken over to preach the world is hell and everyone is out to get you. And, oh yeah, you MUSt have the really big guns because the Constitution. Congress could take it back to sensible laws for their constituents if it cared about them. But right now the haters preach louder and the money is more important than the lives of their children. If they can't pass meaningful laws they have no business in leadership. Maybe the day of putting out to pasture all the people above 30 is coming.

Many US of A Americans have a siege mentality bolstered by all sorts of 'brain dead' ongoing conspiracy plots (theories).