Most people specially women take taxis when it goes dark around here anyways for safety reasons. The way musk plays it, he throws the stuff in the wild and looks to see what can go wrong so it is about him testing it on public. It is not hard to be autonomous but hard to make it completely safe .. The insiders know if they are drone like controlled by staff or not but unlikely because that would be too expensive. Insiders would know and they will leak it.