Is there any way to know how much he's taken off the table? The way Uber is going, I'd be shocked if he's worth billions in 5 years.
He did not change how transportation works. He got where he is through a combination of luck, good timing, and criminality masked as 'disruption'.
Have you ever spoken to an African American what it's like to hail a cab? Read the estimates on the number of drunk drivers taken off the road?