i dont know what to tell ya, except that I sometimes get this too. I dont think its that they don't hear you; i think its more that they dont nessisarily agree with you and want you to see their way, only they wont tell you their way. they want you to come to the conclusion on your own, that way it will be your decision. It sucks kind of. I see it almost as manipulation in a way.

i guess it depends on what you want. maybe you just have to be blunt and say, "look im trying to tell you X. why do you continue to avoid answering me"