Children, RealID and forums

Not condition a child’s participation in a game, contest or other activity on the child’s disclosing more personal information than is reasonably necessary to participate in that activity.

Off the FTC website under Child privacy.

if i am correct you dont have to be 18 to post on forums so children are allowed to do so and im sure plenty of minors do. Wouldnt making them use there Real names violate this?