On this question on Super User …
… there is a comment:
Yes, it is possible. Check out this question: apple.stackexchange.com/questions/447/… – user98776
The interesting thing is that:
- The user has 1 reputation
- There was no migrated / deleted answer
- The question itself was not migrated
- The user is registered
- The user does not have any associated network account, therefore no network profile
- The mods don't see anything obvious.
Why were they able to post a comment?