True, and drunk drivers, and unlicensed drivers, and people driving while very sick or tired. Really we will need a couple billion miles driven to really start

True, and drunk drivers, and unlicensed drivers, and people driving while very sick or tired. Really we will need a couple billion miles driven to really start to get into fatalities as a metric compared to humans. Fortunately most car accidents aren't fatal, so those will be a better starting point.