Debating generally. The fact is, you can't debate with a Catholic on theological grounds. It's a rabbit hole, a circle. They have walls of books, that screw up everything imaginable in theology. They have this Pandora's box they opened of testifying to themselves and their own, self-appointed authority, which they based on very faulty scripture exegesis, so faulty as to comprise an excuse to form the world's largest Christian cult. Their Popes are like a whole, long line of Ellen Whites or Joseph Smiths. From there, they can paint themselves clean into a corner, in terms of God's word, that falls off into hell, and you know what it will all come down to? It's so, because the Pope says so. They can invent man made religion, of no basis in spiritual reality and of no real authority from God, ad infinitum. It's like arguing with a novel writer he can't have this or that character, or event, in his fiction. It's not worthwhile to debate anything. Exposing the corruption and lies is about all you can do, of purported Christians who don't really accept the finality of the word of God.
Jesusisall , I have no idea who or what you are, but chances are I have belonged to a similar congregation to yours at some point along the way, so I can relate both to people who think as you do, and the ones you now criticise.
The question you need to ask yourself is far closer to home, than pointing fingers at catholics, and it is very simple but profound. If Protestant interpretation of scripture was so obviously correct, why is it Protestants disagree with each other on literally every material matter of doctrine, from Eucharist in many flavours to baptism, diametrically opposed views on salvation to predestination, the necessity of clergy, liturgy, , prolife, pro choice and scores of other serious issues of theology.. And their differences are so profound they have fractured into thousands of pieces because they could not reconcile the differences within each other, so split with monotonous regularity, because all get to decide their own version, since they cannot agree with each other.
How then can you proclaim to know the truth, or indeed criticise others theology when your own theology as a Protestant is so uncertain? Almost of these must be false doctrine, because they disagree and only one version can be true, yet those who preach them all claim to have discerned the spirit, so it clearly did not work.
So beware of the theological ground on which you walk, do not worry about others such as RCC you have too many problems of your own.
And by the time you reduce to the common core , you are left with the creed that most believe including catholics, but even that is not universal, Pentecostals cannot even agree on that!
So using your own quotes, when you Speak of "opening Pandora's box" even Luther believed it was when the reformation that empowered every " milkmaid to have their own doctrine " based upon " self appointed authority" and a mass of divergent " very faulty scripture exegesis" - Luther despaired of this, and stated in later life he could have foreseen the outcome, he would never have done what he did, and the only way back was to the councils of Rome
So worry about your own theology how can you know it is right,,since few of your Protestant brothers agree let alone RCC.