This is essentially the story of tech companies across nearly every industry where they have come to dominate. This is one reason that I see most tech companies as essentially a net negative for society at large, as the goal is nearly always to control a large monopoly (and this is fully admitted by many tech leaders, e.g. Thiel) which the Internet makes possible. Pre-Internet you would see the same dynamics, but usu…
> extreme concentration of wealth
Big business does not concentrate wealth. What you're seeing is the creation of wealth. This created wealth then flows out into the rest of the economy, via paying the workers and buying plant&equipment, etc.