Look, any of us with half a brain knew the score. Joe is not 100% mentally, he is way past his prime. He is very old and at his age mentally he has aged badly. They need to help him in any way they can to keep up the lie that he is mentally sharp. Some people have found out that Joe is geriatric but they need to keep the normies at bay in any way they can and if they need to make sure he gets his help by knowing his questions in advance and preparing for it then so be it.