You are likely aware there is no shortage of people who think the RCC is a cult. Most likely as a result of people like you who cling to medieval anathema nonsense. Do you actually know any Protestants, or do you avoid them at all costs as if they might somehow contaminate you?

And as an FYI, the early Rule of Faith (what frozen-in-time trads like to refer to as "deposit" of faith) may have been entrusted to the early Christian church who considered themselves to be "katholikos," but there is simply no evidence (or rationale) to believe that Jesus intended the church to be fashioned after imperial Rome, which is precisely how "Roman" Catholicism came into existence in the post-Constantine church.

But of course you will refute this history in favor of Rome's bogus claims to authority, despite refutations of such by Cyprian and other fathers of the early church.  History is no friend to the One-True-Church crowd; fortunately, most people nowadays are aware of this fact.