I tend to agree, and go even further. The idea of averages and normal distribution means are grossly over-used in medicine and social discourse. They can sometimes be useful for population level discussions, but rarely personal healthcare or decision making.

Medicine and public policy is plagued by advice and recommendations for the average person, but the average person does not exist. 50% will be above average, and 50% will be below.

> Medicine and public policy is plagued by advice and recommendations for the average person

To be fair, this is often the fault of the media, pundits and politicians cherry-picking studies and losing significant nuance in the process. At the same time, there are too many papers which do a poor job of sufficiently highlighting uncertainty in their conclusions.