We should tell our kids to just have fun participate and not get bent on winning or losing. But every coach when they say that they say it tongue in cheek 'Don't worry about winning': If you win I'll get you ice cream but if you lose I'm going to pout in the car.
Our culture is just a series of checks and balances. The whole idea that we're in a battle between tyranny and freedom - it's a series of pendulum swings.