On the back end, that flexiblity to let you end at any time costs more than the 10 to 15 percent premium you pay. Equity dollars are used to recondition and transport your car and also to pay the debt on it until a new customer can get in it. Since the majority of their customer base churns through the platform with low tenure and is not retained (short term Uber drivers), it is a major problem and has destroyed every other player who tried to do short term leasing. You need a longer tenure to cover the cost of turning the car around.
Your gut is very wrong on this one, sorry.