Kids of all demographics hold their kids back for various reasons
Inner city basketball players Country folk football players Latin baseball players
All are older
All of them except for the over 98% of the population that attends school correct to their birth year. And inner city basketball players never do this if they are strong enough to play pro. Those kids are eager to go out and want to play up not down.
Nice try. Facts got in the way. The article is completely fair.