It's true, a week before the release of the Western Front, the game was perfectly balanced. It took a whole year that would balance the two factions. Ahaha. The game will never be balanced.
What for a bullshit, just before Western front we had the ISU vs Elefant meta, where this 100 range units where fighting themselves every game. It was boring and the game was in a bad state, thanks to this. WFA patched removed 100 range units along with other fixes for the vanilla faction.