1. Driver tailgates at an intersection or stop sign to try to intimidate the driverless car in front of him into going faster.
2. Driverless car ignores it, and gets rear-ended.
3. Google helpfully provides the tailgater's insurance company with a copy of the 360 degree video, conclusively proving his guilt under law.
4. Tailgater's insurance rates skyrocket after his insurer is forced to pay the maximum to repair the expensive driverless car.
5. Tailgater is forced to stop being a jackass.