Heh heh, exactly, hence the 'Congratulations, you're a genius!'
It stands to reason that people would be more likely to purchase the in-depth results of their IQ test if it told them they were really smart.
After all, it gave me a score that would have Mensa knocking down my door to make me a member if it was legit, and since I post here, I can't be THAT smart. : )