You confusion about what Rome has to say about penance and atonement is right on this page for all to see.
He seems to think that his interpretation of the Bible is THE interpretation given by God directly to HIM. Meanwhile, God's Church is left without a clue. Imagine that...
In my over 5000 posts, I have learned one thing that appears universal. Protestants generally believe that their own interpretations are not subject to error. Thus, when the Catholic Church disagrees with their interpretation, naturally, Rome is wrong and they are correct. Even if this was held for 2000 years, Rome is still wrong...
I have chosen to ignore him until he cools down and reads some of the Fathers, esp. Irenaeus.
Brother in Christ