User blog comment:Ji Robinson/Kick the Kiddies out or change the policy!/@comment-1393830-20110915044030/@comment-3310579-20110915045733

well, with the new user pages, you can just check their twitter or facebook's to confirm! If they didn't fill out their user profiles, then maybe a pattern of blog comments.

If you have none of those, it could be considered insufficient evidence, and the user would be let go.