It's the part of driving that people hate the most + the stakes are very low (no pedestrians/cyclists, and the accidents are just fender benders). Perfect low-hanging fruit
> the stakes are very low (no pedestrians/cyclists, and the accidents are just fender benders)
It's a road without speed limits. Mistakes might be less likely - at least they are for humans, not sure about an overly cautious AI model - but the cost of a mistake is very high.