frozenesper
I can control my own actions, so my worry about heart disease can inform my dietary choices.
We can control gun violence by influencing culture or changing laws, so gun control is an appropriate subject of worry.
We cannot control the sun going supernova. We shouldn't worry about that.
I welcome more research on effective ways to reduce gun violence, but unfortunately ( https://en.wikipedia.org/wiki/Dickey_Amendment_(1996) ) researchers have been prevented from doing so.
The clear, most effective way to reduce gun violence is to reduce the number of guns. (cf. every other developed nation.) However, the current interpretation of the 2nd amendment seems to make that difficult.
I can accept getting heart disease—maybe it was my fault?—much more readily that being actively, senselessly, killed by someone else. Terrorists know this too, which is why definitionally terrorism is meant to induce fear by way of its unpredictability.
You wrote "security theater" to imply that we shouldn't attempt to address terrorism and school shootings because they don't kill enough people. I think that we ought to fund research into good, effective, ways to reduce gun violence _because_ it's something that we don't control ourselves.