As was said by the parent commenter (drewcoo) just before you placed your bet, because no measure is established, each evaluator is bound to have a different op

As was said by the parent commenter (drewcoo) just before you placed your bet, because no measure is established, each evaluator is bound to have a different opinion of how to measure a developer, and as a result most developers are likely to fall below the median (according to someone's measure). There is no mathematical contradiction. Perhaps a misunderstanding on your part? Either way, the bet was lost. Time for drewcoo to reap the rewards.