Sure, but you can't criticize SDC's by saying that they have the same failure modes as humans. The comment I was referring to was suggesting that they'd have so

Sure, but you can't criticize SDC's by saying that they have the same failure modes as humans. The comment I was referring to was suggesting that they'd have some sort of mass failure mode, in which some substantial percentage of all operating SDC's in an area would crash simultaneously. That is clearly not going to happen.