Agree with you - although, rhetorically speaking, I have come across many instances which the author refers to "of low performers are 3x as common as high perfo

Agree with you - although, rhetorically speaking, I have come across many instances which the author refers to "of low performers are 3x as common as high performers." This is unfortunate as I always think do your best, and as Tyler Cowen states - Average is Over. So agree it would have been way better to use empirical data to back up this claim especially.