This is a blatant lie. If your top priority were denying the existence of a divinity, you would have done it until the day you died and possibly beyond. What would you say your first priority is? It can't be truth or you wouldn't say "please lie for me" every time someone who's read too many books you don't like creeped you out. My first priority is truth, and although grand metaphysical claims and "the sky is blue" might not be of equal importance, they are equally truths, and all truths will lead to all other truths by logical necessity. To abandon one truth is to abandon all things. The Catholic Church already showed itself to be full of nonsense by putting Galileo under house arrest.