The TSA is...
Watching The Standups on Netflix, we caught Beth Stelling and she said something pretty awesome: The TSA is just basically performance art. She f*s with them by packing a large bottle of water, and 4 oz. containers of yogurt.
Might as well! The horrible peril that your half-liter bottle of Poland Spring poses to the airlines somehow magically melts away when they take it from you and toss it into the 55 gal. trashcan next to where they all work. Right?
The appearance of security is all they provide, but they do buy lots of expensive useless equipment from Rethuglican cronies. SO there's that.