Isn’t it more of a reflection of the current law? Age gates have long been self service (e.g., “enter your birthday”), and we have laws on the books for quite some time barring minors.

There is certainly a risk of what you’re describing with KYC tech that coming online, but I don’t know if that means it will happen.

To play devils advocate; It’s a reasonable demand from parents to control what their children are exposed to. This seems to support that.

Uh, your slippery slope argument ignores the part where websites, discord, british things, etc are literally already trying to require facial pictures, license scans, even videos of your body.

This is considerably better than all of those.