WRG Seventh had to use counters for some of the reasons mentioned above, mainly our toys get moved. They may get moved quickly or over a piece of terrain and look disjointed, so counters were better. I would not like a game using counters, they detract from the visual effect. Even when used they often got left behind and forgotten during the more exciting parts of the game. Hopefully AoW will have exciting parts

. 7th did recommend command elements. IMHO AoW should make them compulsory. These command elements can then be used to show the state of the Battle Groups.
From what I know of the rules, very little really, the cohesion ladder needs something visible so that both players can tell what is happening. This may not have been true in history, but the game needs to be fair and it is a game.
Each element within a BG has at least 2 figures or a model with crew. It may take us as gamers a little more effort to paint up a command element for each BG but the visual effect would be better, even if we had to paint a number of different command elements to be used, not at the same time, with each unit.
So a complete command element represents its BG being at the top of the cohesion ladder. A BG with no unit standard on its command element base represents the first step down the ladder. A BG with casualties on its command element base and no standard represents the second step down. A unit with no command element visible is at the bottom of the ladder. This would mean replacing the command element as it moved up and down the ladder. IMO no bad thing. It would also mean, probably painting up some more elements for the unit, but we would get the chance to model the cohesion within a unit and it would be easily recogniseable.
phil