This occurred to me as well, and as rinceWind pointed out
, there already exists an option in Everything to display total number of up and down votes.
In past discussions around here, there seems to be considerable resistance to this notion, generally expressed along the lines of wishing to avoid "sheep voting" depending on where most votes are falling. I happen to agree that the actual number of votes aren't that important and that "sheep voting" would be a real phenomenon. However, I am still interested in watching a big tug-of-war.