> how are they maintaining their spots against smarter competitors? I recommend you read "Capital in the Twenty-First Century" (Piketty) for the full argument,

> how are they maintaining their spots against smarter competitors? I recommend you read "Capital in the Twenty-First Century" (Piketty) for the full argument, but tldr version: capitalism naturally tends toward extreme inequality because the rate of return on capital exceeds the rate of economic growth.