The article gave pay as either $15/h or $19/h before expenses, and cited expenses as being roughly a quarter of pay. Elsewhere in the article, a driver's pay is

The article gave pay as either $15/h or $19/h before expenses, and cited expenses as being roughly a quarter of pay. Elsewhere in the article, a driver's pay is given as $12/h after expenses, which is consistent with the other numbers. Is that a livable wage? I'm not sure, but it's higher than minimum wage. Does it make Uber sustainable? I'm not sure, but it arguably makes it more sustainable than Walmart.