This is what the US has chosen
At some stage, we all have to accept that this is the country that the Americans have chosen. As a Brit I find it baffling that anyone would accept a situation where there is a non-zero chance that their kids will be shot to death at school, or that attending a concert could be the last thing you do, or attending a gay club, or any of the other gun-related incidents in recent years.
However, despite constant hand wringing and many attempts to "do something about it" after every tragedy, I can only conclude on the basis of outcomes that this is the country they want.
The individual stories are heartbreaking, but at some stage we just have to accept that if the American populace cared that deeply about any of this, it would have been fixed by now, ergo it is an active choice.