It’s about tech companies covering their asses as the days of serving adult content to children, and exposing them to harm, is finally coming to a end. Yes, it’ll be used for other reasons too.

So to my point legislation could have just as easily required the user-agent to look for a RTA header and utilize existing laws that require parents to be parents. There was never a need for 3rd party age verification at all to cover their asses. Does site have an RTA header? Yes == Ass covered.