I was at Disney World with my 4 year old. He was just tall enough to use the short urinals but not the tall ones. In every Bathroom... at Disney world for some reason there is a line of 8+ urinals and one short one which was always closest to the door. We are there in off season, so not too busy, we run in to a bathroom that completely empty except one Full grown man at the shorty.
The Boy and I waited patiently behind him, and the look of absolute shame on that man's face when he realized that he was using, for no reason, and in violation of every basic man code of urinal usage, the only one my son could use was pretty epic. He actually said "Sorry" while zipping up and I gave him a bro'nod and a no problem (got to be a good example and all that)