My brain hurts from trying to understand that analogy. Maybe if I were Catholic; it would all make sense?
Its a superficial apologetic meant to get blog hits to more of the same. He is looking to become a priest, based on ecclesiology that is contrary to how the NT church began, and even though NT pastors are never distinctively called that apart from the general priesthood of all believers, which is the only one the first "pope" described. (1Pt. 2:5,9)
Matthew: