I wonder if things are different now; the security people I see at airports now seem a cut above this description. On the other hand, airport security is not terribly important. As has been pointed out many times, the most important post-9/11 security measures are:
1. armored cockpit door
2. pilots treat a hijacking as a suicide attack
3. passengers are inclined to resist (1 and 2 are more imporant).