Especially since, having been hit with the first one, you are unlikely to complain about being more dead from the next dozen or so.
Probably helps protect whoever moves in and takes over after the fallout clears. Certainly makes life more pleasant for those down wind. Ends up looking like saying you can't have a machine gun unless you limit it to firing no more than 2 shots per second (or some other arbitrarily low number).
Biting the hand that feeds IT
