What the article didn't mention is college's and universities in USA encourage you to participate in their sports programmes.
In UK schools they only do netball, football and rugby anything else is done outside of school in leisure centre's at a cost.
Schools in USA have a bigger variety and they cater for almost anyone. Want to take up ice hockey instead of field hockey they have got you covered. They even do league bowling if you don't want to run around a track and field.
NCAA could lead you to the pros and it generates a lot of income with global telecast rights. College football is popular with fans of all ages.
Football fans like to who who could be in the NFL in the next few years not forgetting watching their family members play.
www.bbc.co.uk/news/world-us-canada-58143550.amp