Getting Over Uber
Susan Crawford

It will be, however, impossible for the traditional taxi companies to react now. Uber offers a single App, single UI that will appeal to the user because Uber has the scale to make things flawlessly.

Thousands of small cab companies will unlikely reach the point to unite and gain a spot in the App collection of each user.

I reckon this war is now lost, however the existence of taxi drivers was already in decline, since Uber a faster decline, and the next step are cabs driven autonomously.