NY officials announce legislation aimed at protecting kids on social media
cnn.com
cnn.com
The issue many might have is this shifts government and companies into the role of parenting by proxy. And I don't think many Americans want to become Britain with the Big Nanny "think of the children" making the world perfectly safe for absentee-parented children, but unusable and privacy-invasive for everyone else.
IANAL, but 1st a. and exceeding regulatory authority challenges would seem to happen.