Reminds me of the truth I told my son tonight that you cannot make or destroy energy or mass... Anyway...
I have a 1600sq-ft driveway that I realize Icould not plow because I need to very precisely place the blown snow each time, because it never melts until April. If I don't, I can't even blow it out of my driveway by March. So I see the logic of a plow not working if you have no room on the sides. This is just plain common sense. Let's all remember here, we all plow snow in the north when we shovel. So we all know you can't always just push it down to the end. The plow (shovel) overflows. My BS alarm has gone off. But when you use the rear pull plow, do you go down the same path again and again? Like I do when I am too lazy to actually throw shovel snow, and just want to push? Maybe we're just talking past each other.
Oh, and on OEM forteras I high sided my Jeep on a plow burm on the road because I was too hurried to go around the block. It was about 2-3 feet of dense snow, and I planted the jeep right on it. All four wheels spun freely, no truck could get out of that. (although my old tahoe wouldn't have gotten into it in the first place!) Was in ORII mode too. How embarrassing, especially when a range rover driver helped shovel me out, and my kids made fun of me.