Earlier quoted context omitted.
There are a large number of places with densely packed people. The unique thing about airports is their access to airplanes and their capacity to be used as weapons. (I'm taking a broad view of "weapon" here; even old-school hijack-and-divert is still a political "weapon".) If it weren't for that, they wouldn't be particularly interesting and wouldn't need special security. If someone blows up the line, well, they di…
I know what you're saying, but disagree that the point of these operations is to weaponize vehicles. The airport itself is a distinct target. A successful attack at an airport would disrupt travel and commerce for weeks, as we just saw in Belgium. Nothing immediately comes to mind to mitigate this. We can only push so far upstream. We can move the screening to empty fields a mile away from airport structures and requ…
Process people instantly. If there are no lines at all, then there is no target.
If people are used to effectively walking straight onto the plane, they aren't hanging around for several hours clogging up the system. And, anyone hanging around automatically becomes suspicious and worth a casual conversation.