I think it's only gamed in the Goodhart's Law sense. The original intention of hard CS brain teaser questions was to filter for people who can reason through th

I think it's only gamed in the Goodhart's Law sense. The original intention of hard CS brain teaser questions was to filter for people who can reason through the questions on the spot. Now because everyone knows the questions and answers, the filter is probably more likely to net you people who put in the memorization hours than high IQ folks.