Many more US states are planning or already have operating system age verification laws
(www.gamingonlinux.com)
I don't understand how anyone thinks any part of this is going to work out.
Unfortunately, you do, but because you don’t have an authority fetish (guessing), you’re thinking about the law and how the hell it could be implemented.
However
All it will do is open up individuals to prosecution if they want to use any device anonymously.
This isn’t a bug. It’s a feature.
There are laws in the works outlawing VPNs too.