Uber should get onto drivers gaming the system like this. I guess they don't because they make more money out of surge fares, as does the driver.
Yes, that's my biggest gripe about Uber. Their horrid corporate ethics. They don't pay their fair share of taxes - Uber Australia is run out of the Netherlands, for example, and they pay no GST, passing that burden onto the driver, who therefore is paying the ATO 10% of the entire fare, even though he only gets 75% of what the passenger pays.
They drop rates when they reach a certain driver/passenger percentage. Sure, there's more passengers, but drivers have to work longer to make the same money. Eventually there aren't enough hours in the day.
They advertise the gross fare amounts to drivers, saying they can make (say) $35 an hour, not mentioning that they then take their 25% cut, the driver has to pay the full 10% GST, the cost of fuel, maintenance, insurance, depreciation, phone data, water, mints and all the rest of it is borne by the driver. Before paying income tax. Drivers won't get rich working for Uber.
They promote guaranteed returns for specific periods, such as Saturday nights or early mornings. Yes, you might get $25/hour guaranteed, but that's the gross figure, it's spread over the whole time you're online, and there are conditions, such as being in the (undefined) core area and not rejecting more than 10% of jobs. Those bonus dollars can be very hard to come by.
Basically, they are misleading and evasive in their business model. That doesn't inspire confidence and it's not a recipe for long-term success anywhere but in Trump's America.