We already have that, and it has solved absolutely nothing while potentially making online surveillance and privacy issues worse.
The answer isn't age-gating or ID verification, it's changing how the sites themselves operate. Get rid of the idea of "driving engagement", no more stealth ads, and no corpo, media, political party, or lobbyist accounts. Hold influencers and podcasters to the same kind of standards we used to hold journalists to, where they're required to tell you when the're shilling for some kind of shady supplement company or political huckster.
You know, the kind of shit any sane species would do with this sort of tech, but when have we ever been sane?
Look. I'm an apatheist. I don't really care. It's one kind of BS or another to me.
But on one hand, you have a someone who has decades of experience and study in the traditions, text, and history of their religion, and on the other hand, you have an asshole who fucked a couch and is a useful puppet for Peter Thiel and a bunch of other billionaire sociopath fucksticks.
Pretty easy to figure out who I'd respectfully disagree with and who I'd just call a goddamned idiot.