I have doubts of the claim you have made. The Waymo just turned up a hill and moved out of the way of a downhill skateboarder? What is it about that that makes

I have doubts of the claim you have made. The Waymo just turned up a hill and moved out of the way of a downhill skateboarder? What is it about that that makes it something that no human could do? Was the Waymo's vision blocked before making the turn? As that's the time to determine the turn is safe. Also, isn't there an implicit assumption that all Waymo "drivers" would perform in exactly the same way?