And of course there is the reverse...thos adults who automatically head to the 'experienced fliers' line...sort of like the 'black diamond' slopes at a mountain. My dd, then 11, and I headed to the 'black diamond' line when two adults looked at us as they rushed ahead of us to get into the line before us. They just rolled their eyes and said, quietly, 'great, a kid'. Also overheard pretty much the same thing coming from a few people behind us. Ah..okay, lets see how it goes. Yep, those 'experienced fliers' in front of us argued about taking off their shoes, didn't take out their laptops...took them forever to gather their stuff at the other side. Us?? Shoes were off and on the belt before those in front of us had even fully loaded their bins (obviously had to remove the laptops), our bags were on the belt and my netbook was in it's bin..all ready to go. Hmmm, no more grousing coming from behind us. One of those adults had 'forgotten' to remove their jacket before going through the scanner...yet another holdup. When dd and I got through the scanner, we had our bags on us, netbook back in the totebag, and our shoes on as we walked around those 'complainers' in front of us...still trying to get stuff together.
I would put my dd's skill at security checkpoints up against the vast majority of adults. Man, she's fast. There is no way that I am going to head to that family line..nope, no way, no how.