This amused the hell out of me. :)
Because you can't tell a great hacker except by working with him, hackers themselves can't tell how good they are. This is true to a degree in most fields. I've found that people who are great at something are not so much convinced of their own greatness as mystified at why everyone else seems so incompetent.
From Great Hackers
not only do i understand the statement, i comprehend the sentiment...