1. It portends a world where access to the internet requires ID of some sort.
Using a think-of-the-children argument is one way to get at this. You show your ID at one site, they'll have you linked everywhere else.
These ID proposals are from the aging old guard.
It'll be for porn today, expand to social media tomorrow. These are the forces that chip away at our privacy and freedom.
This is a space where research has been driven primarily by military needs, then by commercial needs. The heavy-handed solutions do not permit much privacy.
The one good thing to come out of such efforts may be anonymous credentials, implemented with the aid of peer-to-peer tech.