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They are pretending to do their job in the manner of minor bureaucrats everywhere. They do not have the power to make the pilot's life easier but they do have the power to make it more difficult by blindly following rules they don't understand. I believe their lives are so limited that they have ceased comprehending those lives. Sartre used the term "empty" to describe them.
As to the safety issue, we will never be safe so long as we persist in a foreign policy that leaves us occupying foreign lands and torturing people. We will never be safe so long as we are the werewolves of the world. We need to focus on what we are doing and on repairing our approach. We will go on being divided and dividing them. The hassles the writer experienced are a symptom of a disorder caused by our current incompetent administration. Some airport safety people trying to pretend to be competent are just symptoms of a greater malaise.