It could still be helpful, however. If your car gets a signal that there are an unusual amount of cars stopped half a mile ahead of it, it might be able to deduce that there has been an accident or something else stopping traffic and navigate away before it becomes an issue. Sort of like an automatic version of Waze

Google is about platforms. The auto industry will need a common standard and platform if V2V is going to happen.

Wouldn't Google want to be first in line to get something out into the field? Morphing Waymo into a V2V base would be a smart thing to do IMO.