I think we have to maybe consider the pov of a Roman Catholic here.
The Roman Catholic is indoctrinated if you will into the church from birth, if their parents are Roman Catholic. They're baptized into the church as infants. They're indoctrinated into the church as infants by being instructed in the
Catechism (A collection of questions and answers that are used to teach people about the Christian religion),
Part of the agreement a Roman Catholic enters into when joining the church is to be in accord with the Catechism. The Catechism asserts the RCC is infallible. I.E. perfect and never wrong.
https://www.vatican.va/archive/ENG0015/_INDEX.HTM
To be clear, the RCC insures their congregation trust the church, have faith, in the church as emissary's between themselves and God.
To go against the teachings of the church is not only going against the church, and by affiliation per their catechism, God. Which would then imperil their state of grace. Which is secured by compliance to the church Catechism.
It is therefore an insulor covenant the individual Roman Catholic is committed to. Not by their own free will, in most cases. But because they are inducted into the church as infants forward.
And this hardwiring insures in most cases they believe the church is absolute in dictating as emissary of God what it means to be Catholic.
Ask a Catholic if they are Christian. Likely, the answer will be, they are a Catholic. Later, if at all, they'll say they are a Christian.
This is offered to give a bit of insight when encountering a Roman Catholic in these discussions.
The first allegiance of a Roman Catholic, differentiated from the definition and understanding of the word Catholic, meaning universal, is the church.
Excerpted from the Catechism linked earlier.
"
III. The Knowledge of God According to the Church
36 "Our holy mother, the Church, holds and teaches that God, the first principle and last end of all things, can be known with certainty from the created world by the natural light of human reason."
11 Without this capacity, man would not be able to welcome God's revelation. Man has this capacity because he is created "in the image of God".
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37 In the historical conditions in which he finds himself, however, man experiences many difficulties in coming to know God by the light of reason alone:
Though human reason is, strictly speaking, truly capable by its own natural power and light of attaining to a true and certain knowledge of the one personal God, who watches over and controls the world by his providence, and of the natural law written in our hearts by the Creator; yet there are many obstacles which prevent reason from the effective and fruitful use of this inborn faculty. For the truths that concern the relations between God and man wholly transcend the visible order of things, and, if they are translated into human action and influence it, they call for self-surrender and abnegation. the human mind, in its turn, is hampered in the attaining of such truths, not only by the impact of the senses and the imagination, but also by disordered appetites which are the consequences of original sin. So it happens that men in such matters easily persuade themselves that what they would not like to be true is false or at least doubtful.
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38 This is why man stands in need of being enlightened by God's revelation, not only about those things that exceed his understanding, but also "about those religious and moral truths which of themselves are not beyond the grasp of human reason, so that even in the present condition of the human race, they can be known by all men with ease, with firm certainty and with no admixture of error".
14 "