Translation: If we find codes matching the events, that proves that they really exist! And if we don't find codes matching the events, that REALLY proves that they exist!!!
What is so difficult about understanding that if a normal probability exists of X for a certain presence of a certain set of characters--but the absence of such far, far exceeds that probability, then SOMETHING is OBVIOUSLY going on.
Perhaps you are unaware that in a black and white picture, the white spaces are significant.