They can’t be too hard core, or they would have done it without warning!
Just publicizing the threat causes inconvenience and expense to the victims ,much like unfounded criminal accusations or the Democratic activists claims of ethics violations against Palin.
Anyone care to estimate how much productivity has been lost in the West because resources have been diverted to security measures,post 9/11? How many million man hour spent standing in lines to have your nail files taken and your feet inspected?