Aboslutely - but I think that it would be dangerous to assume that better communication is always the best option.
Well, I can see that it may sometimes be entirely insufficient, but I'm having trouble thinking of why it would be actually harmful or any reason for not using it? Understanding the conflict better doesn't, as far as I can see, preclude further action.
Or do you just mean that sometimes it's beneficial to trick someone or not let them know what you want? Or that communication sometimes takes time that's better spent?