No one. Nothing should be done. If parents aren't going to do anything, what's stopping the kid from getting the parents ID when they're not looking? Or better

No one. Nothing should be done. If parents aren't going to do anything, what's stopping the kid from getting the parents ID when they're not looking? Or better yet, the same parent which verifies the site for the kid just to get them to shut up? It's the same parental group.