Of course there has and it's actually a topic I usually am passionate about (meaning for goodness sake lock up your dang guns), but that is a far cry from thinking before accepting a kid's birthday party or wanting to stay "is ____ birthday party at a house where there's a gun there? would the gun be reachable for kids?"
I think this below statement is why though.
It's been well established on the DIS this viewpoint between cultures but sometimes I think that's the problem. Guns may be here in the U.S. but sometimes y'all think the most extreme things that are just not part of many of our everyday lives (as in thinking about gun presence for a kid's party).
I actually totally got your pool example