I think it is good at it is. I remember when we lost a battle because both our cavalry units charged into one group of angry peasants each. This is as it should be. Spotting where you want to go isn't that easy as this proposal suggests. Historically on occasion screening units were used (an unit deployed thinly along the entire frontline to make it harder to spot how the enemy had deployed their troops).
At least one game I played in the 90's had them so its definitly historically
