I think he has a case. In all of recorded history, something like this has never happened with any other brand of automobile.
Very droll!
The claim appears to be that the Tesla should have prevented it happening in this instance. There is a question of how much reliance on safety features lead to negligence and poor driving.
Air bags do not save lives. Air bags provide no better margin of safety than seat belts alone. The argument for air bags is that they passive restrains. However empirical evidence does not show any safety benefit for similar vehicles with over those without.
Tesla safety features may encourage bad driving, which cancels whatever supposed increase in safety is available, much like radar assisted braking.