The expectation of privacy from random unaffiliated humans seeing me pass on the sidewalk is very different from being stalked by a drone swarm that follows me and whatever vehicle I'm in.
So again, what changes in any fundamental way?
This is a tech forum. There are already standards that can be used to verify age without requiring a lot of extra info. (Already used by drivers licenses at TSA checkpoints, those are all standards).
There are ways to solve this without essentially saying “there is no alternative so let’s give nefarious companies access to our kids brains all the time”
You can use pseudonyms on practically all social media. That's under threat.
> There are ways to solve this without essentially saying “there is no alternative so let’s give nefarious companies access to our kids brains all the time”
It's ultimately the parents' responsibility, and the parents willingly gave their children access. It's very easy to setup parental controls. It's very easy to get your child a dumb phone. It's very easy to confiscate technology that their child isn't using responsibly. Adults should know that peer pressure isn't reason enough to give their children more freedoms than they're able to responsibly handle.
If people want to tackle this on a societal level, we should be looking into what's causing parents to be so lax in their parenting.
With online services, the identity would be tied to your account forever. A government would have the ability to review every passing comment you've made in your entire lifetime and know exactly who you are, who your family is, where you live, where you work, what your bank accounts are, etc.