Averages are extremely misleading here, on the human side you're lumping drunk drivers (that could be precluded from driving by the simple mandatory adoption of

Averages are extremely misleading here, on the human side you're lumping drunk drivers (that could be precluded from driving by the simple mandatory adoption of interlock system), commercial drivers, people driving in really bad weather, across all types of roads and with cars in variable state of maintanance. Remove all those factors (specially DUI) on the human side, then add all those conditions were self-driving doesn't even attempt to try, and the sheer superiority of the human visual cortex alone is indisputable.