This used to be common in "the olden days" in rural America. I remembered the school nurse would hand out the fluoride rinse to students who's families signed up for it. I remember thonking that they were all the rich kids who's families could afford the $5/year for their fancy oral hygiene. Well who's laughing now? I've got the most expensive teeth after all my fillings, crowns, root canals and dental surgeries!
Yeah, i'm leaving all the grammatical errors in there; it better illustrates my point.
I'm with you generally. The whole boarding experience causes a tremendous amount of anxiety for me to the point that i'd rather drive for anywhere I can get to with a <16 hour drive.
MythBusters had an episode related to airplane boarding. If I remember right, the current scheme is the fastest, but it's due to the fact that everyone can't follow the rules.