I voted a thumbs up on the poll....what is wrong with the 10% disagreed with the teaching of etiquette....you respect others you respect yourself.....
I live in a community where people of both sexes routinely hold doors open for strangers entering the P.O. behind them, and the latter say "thank you." Politeness (or its opposite) is contagious, and courtesy tends to become an unofficial community standard.
Looking at the picture in the article, I'm happy to see that the kids are decently dressed. The girls don't look like strumpets, and the boys don't have saggy pants. These kids have a high probability of success in life.