TSA spokeswoman Lauren Gaches, said stress is a major factor in security work.
"Any time we can calm down a security checkpoint, we can drive down stress and it allows our officers better ability to identify individuals with bad intent."
I would love to see what their track record with the Red Team is.
If calming passengers down is a barometer for effectiveness of their efforts, they should be administering Propofol to every passenger coming through.
Still wouldn't help.