I’m maybe missing your point, but this is reflected in the overall death rate now. Similarly in the future the overall death rate will include deaths of the occupants of self-driving cars and also the cars/people that they hit.

The perception will be different however, since in the public eye the drunk driver “had it coming” and the only real loss is the other driver/passengers/pedestrians. If a self-driving car kills its own occupants and the occupants of another car then there are more “innocents” than in the drunk-drive scenario.