The car would not need to be &quot;stupid&quot; or &quot;stupid enough&quot; to cause a crash, sometimes a crash is unfortunately inevitable given the situation other cats put you into.<p>And yes, some people sometimes have to make the difficult decision between hitting another smaller car, hitting a truck, and hitting a person.  I suspect these days, most people react irrationally in split seconds.  However, with self-driving cars, all the data would be available and a real decision could be made...but what would be the constraints and what would you maximize?  that is the scary question.