The vehicle can control itself. It equally would be stupid to get a DUI for taking a Waymo home from the bar. Your punishment for that should just be for taking a Waymo, not a DUI.
A drunk passenger is not controlling the vehicle, thus not meeting the ‘D’ requirement of a DUI. A horse rider does indeed control the horse, even if the horse isn’t actively receiving driving instructions from the controller.
The car isn’t drunk either. The DUI doesn’t belong to the vehicle, but the controller of the vehicle.
The vehicle can control itself. It equally would be stupid to get a DUI for taking a Waymo home from the bar. Your punishment for that should just be for taking a Waymo, not a DUI.
A drunk passenger is not controlling the vehicle, thus not meeting the ‘D’ requirement of a DUI. A horse rider does indeed control the horse, even if the horse isn’t actively receiving driving instructions from the controller.