There are a lot of GOP-controller legislatures in the USA pushing through so-called “child protection” laws, but there’s a toll in the form of impacting people’s rights and data privacy. Most of these bills involve requiring adults to upload a copy of their photo ID.
This is the issue at hand: How do you prove it is an adult and not a child attempting to access the content?
Solutions exist for parents to block/allow access to content on routers, cell phone plans, and devices. The government does not need to impose here.