[OpenID] allowing users to switch to opendid-only: pointless?

[SitG Admin]

>Short of a password disable feature, I'd change my password to a 
>cryptographically strong random password so that neither I nor 
>anyone else could ever log in using it again...

Problem! I've forgotten your password, and need to reset so I can log 
in. How much of Andrew's personal information do I need to provide 
before the RP is convinced of my - I mean, of his - identity?

-Shade