Of course. I mean that only a player being addressed by the ref and then the captain should be able to speak to the ref. would be insane to ban any player at any point from addressing the ref.
Just watching the Newcastle man city game. Whatever the rights and wrings if the disallowed goal, there is no way that all those Newcastle players should be allowed to carry on and in just shouting in the face of the ref. it can't help the game.
If only the captain was allowed to speak to the...