Perhaps one day, full autonomous levels 5 will allow cars to perform some evasive maneuvers to avoid reversing, but until then such things will inevitably happen.
However, this incident involves Tesla and the old Toyota Corolla is a perfect example of how useful such a feature would be. Theoretically, if a car's sensors can detect a fast approaching vehicle from behind and a scan of the surrounding area reveals that it is safe to drive, avoiding such a crash should be possible.
Until then, though, these crashes will just continue, this happens in most cases, because drivers just don't pay enough attention. In rare cases, health problems can occur, but generally speaking, driving is distracted.
Also watch: Morgan driver behind the rear of a high speed Audi SUV, Lives to Tell The Tale
According to the video's description, the Tesla driver was not injured, although he cannot talk about the condition the Toyota driver.
"The signal light in the upper suburbs of the highway was active and alternating to slow traffic during the morning rush hour. The vehicle does not appear to be paying attention to the signal or traffic as no braking or deceleration attempts have been made. I do not know if there are any serious injuries as a result of the collision. You can see that the vehicle in front of mine was also hit by the offending vehicle after mine was struck. My vehicle eventually resulted in a complete loss, but there were no life-threatening injuries.
After all, we can only hope that the driver and all potential occupants of this white Toyota have succeeded. It's also nice that Corolla didn't cross several roads on this highway after the impact, which could lead to a much worse scenario …