I think you are being unacceptably unpleasant.
Whilst none of us enjoy security checkpoints, these people have a job to do and are told how to do it by others. They are also subject to checking by security companies and if they fail to do what they are told, they are removed for "retraining".
It irritates the hell out of me to have to take my shoes, jacket belt off and all the other b****ration but what's the point of taking it out on the staff?