My father works in the car industry. When I was young (though I heard about this later so the memory is fresher than that), he was called as an industry witness in a lawsuit in which his company was being sued for not putting antilock brakes on this particular car, "resulting" (for some value thereof) in a fatal accident. At the time of the accident, antilock brakes were actually an option on the car... an $X,000 option in mid-1980s money. The idea of putting antilock brakes on all the cars was an economic absurdity.

The car company lost.

I know the cynical answer is to say computer will face major legal barriers but I'm not sure it's that simple. One can look at the lawsuit-happy USA and readily see a world in which licensing restrictions are actually significantly tightened and it becomes illegal to drive a car under most circumstances using the exact same logic. Conclusion? Beats me.