Points taken.
All of us at some stage have been hassled at security, before crewing a flight. If you have been then it is a distraction, form of stress, you name it but you don't need it. Anyone who says they have never been hassled at a security check is a lier or completely brain dead. All I am saying this could be the trigger that sets off a chain of events.
Oh yes the CAA and others are aware of the futility of cockpit crew passing through security. It is after all a tool to stop, all those who pass through security, from taking control of the aircraft. It has been pointed out to them for years and years.
Having cockpit crew pass security screening will not enhance safety. Therefore it has the opposite effect.
As the mind is very complex, you may not be the best judge as to whether you are fit to operate machinery or not.