I've always been a little confused about uber's capital needs. When I first heard about uber, the part I thought was super-clever was that you wouldn't _need_ lots of capital because all the drivers would have their own cars. Leveraging the latent capital of one side of the two-sided market was the genius of it. (Airbnb too) Same for the staffing -- hook up both sides of the market. No need to pay anyone out of your…
And it's at a huge, because most of this isn't happening at the federal level (yet)—it's all state and city—which means they don't have the luxury of concentrating on the familiar, well-tread (and very insular) game of DC politics. Instead Uber has to have boots on the ground in a ton of places, and they have to have people knowledgable on the nuances of regional politics and culture. Things like the dynamics of a state's house vs senate, country executives, the port authority, taxi unions, legal systems, initiative systems, local elections, Chambers of Commerce. The list really does go on and on. It's a huge and complex footprint to manage.