Except the model was fitted on people from the same period in the same region. Also, Ethiopian runners would be a counterargument. It's just reading way too mu

Except the model was fitted on people from the same period in the same region. Also, Ethiopian runners would be a counterargument. It's just reading way too much in a model that probably was there before the data. Seeing how everybody defends it as "learning", the example was sought to be described by the model.