This is great! But why does this (as well as Volvo's) car AI require no special permission from the law, but Google's car AI did? Is it because we welcome an A

This is great! But why does this (as well as Volvo's) car AI require no special permission from the law, but Google's car AI did? Is it because we welcome an AI which breaks, but not one which drives? Why? Because passive AIs are less scary than active ones? And active breaking is still perceived as a passive action?