Some of them would've even been doing a pretty similar thing. To the extent that part of Uber's growth is through taking market share from competitors in the ca

Some of them would've even been doing a pretty similar thing. To the extent that part of Uber's growth is through taking market share from competitors in the car-driving-for-money sector, they're shifting jobs between companies, not creating new ones. Some may also come from expanding the size of the whole market, but you can't just count the total number of employees and use that number as the net-jobs-created.