The article is quite superficial on many aspects: i) first, Uber is not in the sharing economy but in the on-demand: you don't share and monetize an asset (vs AirBnb), you offer a service activated by demand; ii) in my opinion, Uber keeps raising funds for multiple reasons and some of them are simply overlooked in the article: - from a global market point of view: money (especially in the form of debt) is historically cheap - from an investor point of view: investors are looking for proven business models as VC funding is slowing down - from an employee point of view: the multiple funding rounds maintain/increase the valuation, which preserves the stock-based incentive for employees (and we know that's a key reason why so many great programmers joined Uber) - from a competitor point of view: Uber opens the market and evangelizes (pays the legal cost, advertises in new markets, etc.) iii) it never really analyses the on-demand transport economics = is it a "winner takes all" market structure? The article keeps suggesting it is while it is clearly not