Disagree, it illustrates that point that saying “Kenyans are more likely to be great distance runners” is in fact more accurate than saying “People whose ancestors spent uncommonly large amounts of time at great elevation with less oxygen [are more likely to be great distance runners]” since the former doesn’t have the burdensome detail of assuming a particular causal mechanism.
Disagree, it illustrates that point that saying “Kenyans are more likely to be great distance runners” is in fact more accurate than saying “People whose ancestors spent uncommonly large amounts of time at great elevation with less oxygen [are more likely to be great distance runners]” since the former doesn’t have the burdensome detail of assuming a particular causal mechanism.