Earlier quoted context omitted.
I think she's thinking logically. From the perspective of a RelatRides lessor, fatal accidents are low probability events. That she experienced such an event yesterday doesn't change the probability that she'll experience such an event tomorrow. She's only naive if every single RelayRides lessor who reads this story is also naive to continue using the service.
She's naive because she's choosing to re-enter a partnership based exclusively on the perceived benefits (make money, save the world, etc.) without having a clear interpretation of the associated risks. Worse yet, she doesn't even have a clear answer on what her current liabilities are from her previous vehicle. I'm amazed her insurance company offers her a policy given her apparent disregard for liability she's pote…
Insurance policies generally explicitly exclude commercial leasing of the vehicle, otherwise rental companies would already be ripping them off.