Electrical power is the common factor to all those problems. |
Generally speaking, unless we've had a crisis we don't spend a lot of effort on emergency preparedness. Once we have a problem we ban plastic knives on airplanes, but we tend not to think of the worst-case scenarios because they're too difficult to deal with. |
It shouldn't surprise you that a system that is designed to be manufactured as cheaply as possible is designed with no security constraints whatsoever. |
The common denominators are electrical power and telecommunications. |