So Uber is charging their current rates as a way of giving back to the community or whatever? If Uber (or even Uber and Lyft) were to double their prices tomorrow there would most certainly be a drop in volume. Just a couple of days ago I took a Lyft from the airport for no other reason than that a cab would cost about 2x. Yes, there are also circumstances and places in which Uber/Lyft is demonstrably better than a cab but the decision can also just be about who is cheapest.