Yes, this (very proper) treatment of parked vehicles is exactly what I was considering. However, since we have not already heard of an incident like a fire tru

Yes, this (very proper) treatment of parked vehicles is exactly what I was considering. However, since we have not already heard of an incident like a fire truck forcefully pushing out of the way an errant driverless car, it seems that it also needs to be extended to such non-parked/non-diretly-human-controlled cars?