Let's put it this way. If McGrath has a point, he is incapable of bringing it across. My feeling however is that he does not have one. If you listen to him and become an Atheist, I cannot blame you. What shocks me is how low the level of a discussion held at a university can be. Our threads here are at a much higher level than this wishy-washy quarrel.
All they have talked about can be dealt with in one minute, see your last video at 32:00.