Comment by RealityVoid

They really can't stop tying themselves into knots to dunk on self driving cars. They don't even know it's the case, they just suspect it's the case. Even if it _were_ the case, the drivers behind them most likely don't have this information available, they probably can't distinguish between "SDV being cautions and giving right of way" and "SDV stopping an immediate impact", they can just see a car in front of them suddnely stopping. So they should stop.