Not sure where they were trying to go, it seemed like they weren’t even aware they were going the wrong way until I turned into the lane. I’m not sure what a concrete lesson to be learned here would be as I didn’t see how the driver got into this lane; I guess it would be to be aware of the road in front of you or where you are turning into. From my end, it would be to also keep scanning the road past the turn for any obstacles.