It sounds like these directives are based on specific intelligence of currently planned attacks and not meant to be broader long term regulations. What if there

It sounds like these directives are based on specific intelligence of currently planned attacks and not meant to be broader long term regulations. What if there is good intelligence to suggest there are a dozen other attackers known to be trained and ready for this mission? If they are already in-transit and have a communication black-out from the leaders it seems entirely possible they would attempt it despite the failures.