That is because the article describes a certain fringe of Catholic thought. It is not at its center, but it does not go substantionally un-Catholic, except in the author’s delusionally Protestant-bracketed mind.
Er, is that unecumenical? I apologize. Let's replace with
That is because the article describes a certain fringe of Catholic thought. It is not at its center, but it does not go substantionally un-Catholic, despite the authors's apparent intention