Originally Posted by Myth
My guess is that the rule is like that in case something happens for several plays in a row. The refs can't just go, "Oh wait up, we need to start the whole quarter over." Especially since without replay they can't figure out at which point there was too many players.
Yep. It sucks but, this kind of thing will happen occasionally. Fortunately this is just one regular season game, which a team like the Cs can afford to lose (and the blown call wasn't the biggest reason for the loss anyway).