[linkregister]

If/when Lyft decides it can't grow any more, it will dump the unprofitable cities and focus on the cash cows: LA and New York, etc. The large cities are quite profitable and will be enough.

That said, it's better for society if the unprofitable cities are served by competing ride sharing services. It's kind of like how the US Postal Service makes money in the cities and loses it in rural areas.