Wait a minute. My recent-ish car has LKAS. It recognizes white lines (or possibly curbs too) and if both boundaries of the lane are recongized, will steer for you - for 10 seconds maybe, before it nags you provide some steering input. But in those 10 seconds it's perfectly capable of smoothly steering around bends in the road on its own. And it is a useful safety feature even if only nudging the steering wheel while…
Was watching OPLive last week. Every week they have a segment called "Triple Play" where they have law enforcement send them videos of crazy chases and other interesting experiences. This last week they had a guy who had completely passed out in his car and was fast asleep at the wheel. A state trooper pulled up alongside it and could see the guy slumped over his wheel. Apparently the car was essentially weaving back…
Maybe the average cop has better driving skills than I'm giving them credit for, but...I doubt it...