The TSA is part of the 'Good German' program. They just make up a ton of bs rules and annoy the crap out of everyone. If you make a scene, you go on a list and they know you're a trouble maker.
I'm being sarcastic, but with all the Agenda 21 cheap the UN is forcing down our throats, I wouldn't be surprised in the least.
Arbitrary enforcement of the law is the mark of tyranny. Citizens will always fight against it.