Self-driving bicycles (for last-mile deliveries) can be _much less precise_ than cars: 10mph is slow enough for both parties to have a lot of time to react, and

Self-driving bicycles (for last-mile deliveries) can be _much less precise_ than cars: 10mph is slow enough for both parties to have a lot of time to react, and if 50lbs of bicycle going at 10mph hits a pedestrian (god forbid) the impact might not even knock you down.