I just dont see it not being to realistic for consoles. They can get away with not having controls to scratch your butt on the consoles. If they just get shooting mechanics down with the AI and vehicles it can succeed. Yes it will be a bare bones version compared to PC however if they pull it off it could have a very good following for it and I for one would play it a lot.
As for the controller, when I can play Arma 2 I use a controller because I cant stand the mouse and keyboard and it works just as fine for me.

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