He might be a genius but not all genius can make a profitable business. I doubt that will be the case for Amazon eventually (I may well be one of the suckers heh) but let's remember that they just LOST money on the last quarter and consistently earn little to no profits.
That's part of the plan. Amazon make a loss in Q1-3 and turn a profit in Q4, this results in a slight profit over the year, a boatload of investment in infrastructure and it being almost impossible for competition to keep up.
