To compare apples to apples you need to distinguish the two risks involved: how much do I trust the driver (human or otherwise) not to have an accident and how

To compare apples to apples you need to distinguish the two risks involved: how much do I trust the driver (human or otherwise) not to have an accident and how much do I trust the driver not to abduct me or generally act maliciously. Uber drivers and today's SDC rank quite differently on those two risks A car that perfectly moves through traffic but intentionally drops you off in the most crime ridden area it can find is gerenally not considered in these scenarios.