That's sort of what I'm thinking, if anyone can make attestations you can select which ones you trust, making it decentralized and also be able to fallback to well-known/institutional ones. You don't have to limit yourself to just one attestation either.
Discussion
What if someone is verified human and then lets a bot run their account? They can go to a different verifier and prove to be human again. They can have as many bots as there are verifier services.
I think this is the problem that Bright ID tries to solve
Interesting, I see what you mean. I'll have to look more closely at it