I genuinely think that people who spread the idea that your individual outcome is significantly dependent on the statistical average for a cohort you are in are

I genuinely think that people who spread the idea that your individual outcome is significantly dependent on the statistical average for a cohort you are in are responsible for a _lot_ of suffering and lost potential. Literally any effort you put in at all means that you are no longer the average in most cohorts. It's simply bad science.