Plus, it has an exponential distribution (survivorship bias, compounding). The shape of the curve seems to be trending over time. We're being sorted on a global scale. This isn't a new phenomenon. Genes, social status, geography, always played a role. But, it's quickening because of the Internet and globalization. One used to be considered lucky to have born with a 120 IQ. But, nowadays, a 120 IQ is the entry fee.