Cessna, when we flew with live 1000lb bombs we were required to route clear of towns. The bombs were in a bomb bay and could only drop had we selected jettison. Operationally that went out the window and we pretended to our friends that we were unarmed.
As you rightly point our, cars kill. Rather than ban cars, or air shows, or aircraft, we !mitigate the risk by eliminating 3-lane roads, building dual carriageways, imposing speed limits, speed cams, breathalyser s etc etvc.