Video: Child in Wheelchair Screened at Airport Security Checkpoint

Perhaps I am overreacting, but despite the professionalism of the Transportation Security Administration agent and the father calmly comforting his nervous three-year-old son bound to a wheelchair, I was appalled by the screening process at a security checkpoint at O’Hare Airport in Chicago which I watched in the video posted below.
What do you think of the following video — courtesy of Matt Dubiel — posted to YouTube?

See the reaction of FlyerTalk members in this discussion.