Teh Crazee response to any failed attempt to blow up an airplane is to assume that everybody in the future who gets on an airplane may attempt to blow it up in the same way that failed. It's been unfortunate that The Crazee happen to be in charge of the TSA, but there it is.
One wondered what they were gonna do in response to the failed undie bomber attempt.
Turns out, they wanna look underneath, or, failing that, feel up your undies.
This seems to have hit some kind of tipping point. Taking off the three year old's shoes makes people safer apparently, but having some bureaucrat completely mess with the "don't let any stranger touch you there" lesson crosses the WTF? line.
Fallows has been writing about the idiocy of security theater in commercial aviation for some time.