This entire concept doesn't exist in much of the world. The incredible prevalence of intramural sports, and the seriousness of it, at all kinds of age groups is

This entire concept doesn't exist in much of the world. The incredible prevalence of intramural sports, and the seriousness of it, at all kinds of age groups is a very US phenomenon. Let alone random neighborhood people coaching teams. In most of the world it's more club-based rather than school-based, and that's quite different.