That is the most extreme example of the introduction of complexity seen for a while.
Will you please refrain from scattering your posts with false accusations and inaccuracies. For example:
it's a mathematically tongue-in-cheek implication of what you say about probability of catestropic events
For people on the ground that would entail you restricting (banning) PRIVATE HELICOPTERS from overflight of hosile congested areas. (and under your definitions hostile congested areas include playing fields, parks, rivers, car parks etc etc)
However tongue-in-cheek that might be!