The business model incentivizes it by not paying a wage. This is an example offer:
This isn’t even the worst one I’ve seen today, and I only do this part time for extra money.
By all means, report safety issues. Get the bad driver canned. But if you stiff the driver too, and you knew the business model of the service you used, then you’re just further incentivizing the bad behavior.
And it’s about to get a lot worse if this whole no-taxes-on-tips thing actually happened.