> I think people who say this should back it up by posting their full name, date of birth, SSN or other ID number, and address. A phone number would also be helpful so we can call and verify that they made the post. Otherwise they're not being honest

But this isn't (intellectually) honest, either?

Maybe you can justify asking that they post under their real name, but asking for the kind of information that's required to steal their identity isn't the same as asking them who they are.