Chinese mom vs. American dad
ryanwaggoner.com
ryanwaggoner.com
If you hang around those games, you will find that many of the kids, parents, and coaches keep score even if the league doesn't. And if hang around similar games with older kids where they do keep score, you will see how parents and coaches regularly over-react to the outcome of those games.
As for trophies just for showing up, it's not restricted to youth sports, I give you the 2010 Texas Bowl featuring the #6 team in the Big 10 v. the #6 team in the Big 12. Texas should sue for defamation of character.