That will not be a viable response for very long. Will it affect the entire fleet in one market or the entire fleet worldwide? How long will it affect the fleet? When robotaxis are an integral part of a local economy, then the incentives diminish for taking them entirely offline. The three instances you mention are fleets under testing circumstances and not commercial service, so there's a distinction!
Sooner or later we'll be making so many omelettes that the occasional broken egg will be, reluctantly, accepted, and the penalties will amount to the usual corporate wrist-slapping, and that will be that.
