Not only should exercise for children be mandatory, but the whole narrative needs to change. The whole world needs to shout out in one voice:"Childhood obesity is child abuse!!!" To illustrate this point, this is one of the Dutch princesses: https://www.celebitchy.com/673909/european_tabloids_are_bullying_dutch_princess_catharina-amalia_about_her_weight/ If nothing is done for her, we all know where this is going...