Well it’s in the New Testament, explain that away. You want to have more high priests, taking over Jesus’ role. They even take over Him. That is not biblical, nowhere in the NT. That priesthood is done away with in Jesus. You and the Mormons have the same kind of thing going on
Face it, no matter what you say, no matter what you do, some of them will twist it.
Their goal is the utter annihilation of the One, Holy, Catholic, and Apostolic Church. Period. Nothing short of that will satisfy them.
Not all of them. Some of them.
You can figure out the causes and implications of the position they take for yourself.