We had this topic with Magic previous game as well. I simply think some players are too strong as Town to not notice certain things. And CP is just the best Psychic reader period. And the things about the glossary is sth I would have expected him to bring up first.You're assuming incompetence on my part for one.
I'm not hard town reading him. Just think there are several angles he could have opted to go for here, instead he chose the one that would reflect the worst on him.
You might call the argument bad again, but it's simply how it is. The only other explanation is that his head isn't fully in the game. There is no in between.