One or more parents in denial that there’s anything wrong with their kids and/or the idea they need to take gun storage seriously? That’s the first thing that comes to mind, and it’s not uncommon in the US. Especially when you consider that a lot of gun rhetoric revolves around self defense in an emergency/home invasion, not having at least one gun readily available defeats the main purpose in their minds.
edit: meant to respond to django@discuss.tchncs.de
Ideally, I agree wholeheartedly. American gun culture multiplies the damage of every other issue we have by a lot