Machaka is in other part of the map That is team game so it is a bit different. I suppose DonCorazon neighbours only Ermor so he does not have much of a choice to expand. The only team that can use it and attack him is Pythium + Abysia, which is quite strong too.
I didn't mean in this case specifically. I was just observing that In any war especially early in the game it seems that both nations suffer in the long run.
But it does make sense to attack Ermor early. As your teammate I support your strategy and of course will help as much as I can.