Screening pilots for proscribed objects is doubly insane. The easiest way for a pilot to crash a plane is simply to crash the plane.
The most effective measures are locking cockpit doors, and arming pilots. Our government has obstructed the arming of pilots for years. Pilots could have mostly been armed within weeks after 9/11.
“Our government has obstructed the arming of pilots for years.”
They’re afraid that everyone will find out that pilots are more proficient with handguns than the Air Marshals.