What should they do to drivers who don't meet their minimum hours needed to pay for the benefits in a given week? Fire them? Immediately? Should it be a warning? How many warnings do you get? Meanwhile is Uber/Lyft still on the hook for all the benefits? How can they avoid these flaky drivers? Better screening upfront such as an interview? How will drivers feel when they get a notification they have to drive 8 hours today or they'll get a warning because it's the end of the week and they are short. What if it's a slow day and Uber doesn't need more drivers today? It would make more sense to spread drivers hours out of over the week. The relationship starts to sound drastically different for both parties. Especially for the 45% of drivers working less than 10 hours currently who will have to find other side jobs or go without.
There would need to be a grace period and there would be a warning. There is no reason someone needs to be immediately fired just because they have a light week.