They don't have to. All you need is a video of a swerving car hitting one person and missing the other. The "why" is irrelevant. The implication will suffice,

They don't have to. All you need is a video of a swerving car hitting one person and missing the other. The "why" is irrelevant. The implication will suffice, in light of the public/media's understanding of ml / ai. They will think the car "chose" which person to hit.