Scott,
The problem is that you can’t trace many of your traditions back to the apostles. When Paul speaks of tradition you have no proof that he meant the various beliefs that have found their way into your theology. Beliefs such as the assumption of Mary, the immaculate conception, the treasury of merit, papal infallibility, etc. can not be traced back to Jesus or any of the apostles.
The problem with your conclusion is that you don’t actually believe it.
We, collective Christianity, hold the New Testament canon as part of Sacred Tradition, for instance. You can not trace such an explicit canon “back to the apostles.” Not one of the apostles wrote a listing of all the books and letters they qualified as Scripture. Even St. Peter’s acknowledgement of St. Paul’s letters as Scriptural, did not encompass the full body that we accept as the New Testament, so we rely on the Sacred Tradition of the Church which has preserved and protected the canon throughout Christendom, as challenges arose and doubts surfaced.
We, collective Christianity, hold the doctrine of Christ’s two natures–fully Divine and fully human as part of Sacred Tradition. You can not trace such an explicit teaching “back to the apostles.” None of the original 12 nor St. Paul wrote tracts defining or defending this doctrine, so we rely on Sacred Tradition, stewarded by the church throughout Christendom, to affirm this crucial Christian doctrine.
Collective Christianity, with few real objectors throughout the majority of Christendom, has held the doctrine of the Eucharistic Real Presence as part of Sacred Tradition. St. Paul comes mightly close to an explicit defense of the Real Presence in his first letter to the church at Corinth (chapter 11), but contemporary objectors would oppose such an interpretation. So, adhering to Sacred Tradition as it has been embraced throughout the ages, we look to the witness of the early martyrs, labeled and murdered as cannibals, for evidence of this Apostolic teaching. We look to the witness of the Early Church Fathers. And we trust that the same Church which preserved and canonized our Sacred Scripture, was equally capable of preserving the Sacred Tradition of the Apostles.
Now, say you agree with 2 out of these 3, as I assume you do (but would be happy to learn otherwise), why is that? Why do you accept the Chruch’s word on the canon and the dual natures of Christ–both of which can not be proven per Sacred Scripture–and not the Real Presence?
Basically, contemporary Prostestantism accepts Oral Tradition. It is a mistake to think otherwise. However, they also believe that it is a buffet line of sorts–picking and choosing which Traditions to which they will adhere, which is precisely why I can drive down any given street in any given town and find any number of various Protestant churches teaching varying collections of buffet items.
The definition of Oral Tradition has been addressed. Citations have been offered and refused as “too much information.”
Nonetheless, I would urge the OP to read the links provided, especially the Catechism citations. But I would warn you that once you do actually begin to read the documents of the Church and the witness of the Early Church Fathers, you will soon recognize, as countless others before you, that the Catholic Church you’ve been protesting is not the Catholic Church at all. God bless you in your journey.