There are plenty of opportunities. You think the kids don't choose which sports they want to play? C'mon...
Perhaps you feel more stupid for watching baseball, but lots of people enjoy it. It actually is a thinking-mans sport, so maybe that says something about you?
The same people who bash on the Americans for the violence of football are typically the same people who enjoy rugby. I'm not sure why you think there aren't more opportunities, but you're wrong. America is never going to have a system like Europe does where we ship 13 year olds off to soccer schools so that they do nothing but soccer and a little bit of school. Perhaps it is actually other countries where there are less opportunities for sports. They have to be in clubs, that they pay for, to play sports...in America we typically have the opportunity to play most sports (but not all) in our schools, yet we're the ones with less opportunities? ********.