Can't Uber dictate the price? Like if Uber doesn't feel like being expensive at rush hours to promote their service, drivers are paid less, aren't they? Also, w

Can't Uber dictate the price? Like if Uber doesn't feel like being expensive at rush hours to promote their service, drivers are paid less, aren't they? Also, what happens if more people learn about this and start driving for Uber? Wouldn't this lower the price for everyone? I feel like your Uber driver is gambling with their income by quitting a stable paying job. Then again maybe the job wasn't that good.