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People building autonomous cars don't actually care. Stay on the road, if unavoidable obstacle detected, break.

Someone rebranded the trolley "problem". This has nothing to do with real engineering.

This is supposed to be a variant of the trolley problem.

The point is that the theoretical problem, interesting as it may be, doesn't matter that much in practice.

The marginal utility you could get by fine-tuning the trade off is low.

It's another type of bike-shedding essentially.