Also to generate value they don't need to be 100% right. Judging you on 10 metrics and being wrong about nine of them still allows them to show you highly relev

Also to generate value they don't need to be 100% right. Judging you on 10 metrics and being wrong about nine of them still allows them to show you highly relevant ads on that one metric they got right. Which is a win for them compared to showing you random ads