Your knowledge of history is lacking. The Greek Orthodox Church had a central authority until the 4th Crusade when Catholic armies sacked Constantinople in 1054 A.D.
The fact is Rome that the Bishop of Rome was never accepted as the universal Bishop in the entire history of Christianity. Again, this is historical fact. Even the Bible shows that Peter was not considered or accepted as the man in charge. James, the brother of the Lord was chosen Bishop of Jerusalem and seen as the head of that church by the Apostles per Esubuis. In Galatians Paul records publicly taking your Pope to task for being a hypocrite. Would any person who saw Peter as the Pope then oppose the Pope in public?