It's good, because it addresses some common misconceptions.
It's bad, because it implies that you can't generalize about anything nor anyone. Obviously, there are - broadly - common traits in Europe. The point is fine, to the extent that the broader generalizations you make, the more people will be described incorrectly - and you cite some great numbers to emphasize that.
The post makes it sound as if there is some scientific constant for maximum population size you can generalize about.
It's good, because it addresses some common misconceptions.
It's bad, because it implies that you can't generalize about anything nor anyone. Obviously, there are - broadly - common traits in Europe. The point is fine, to the extent that the broader generalizations you make, the more people will be described incorrectly - and you cite some great numbers to emphasize that.
The post makes it sound as if there is some scientific constant for maximum population size you can generalize about.