You are confusing theology with customs
I'm sorry, but I don't think I am. I can tell them quite apart, thank you.
-Theo
I seriously doubt that. The basic makeup of the Church (ecclesiology) is based on theology, but the various customs, rites, length of service, etc. is not.
The Apostles were equal amonst themselves, with Peter being prominent among them but not their boss or chief; not a single Apostles answered to him, asked permission from him. Thus the organizational structure of the early Church was that of equality among Apostles and the bishops they ordained. The Pope did not "rule" the entire Church, as is commonly believed in the West.
He did rule his own Patriarchate, but he had no jurisdiction over other patriarchates; only indispensible preeminence of honor when it came to Ecumenical Councils and questions of faith. This was determined based on what the NT says and also on Imperial Decree.
That is not what divides us. What divides us is not ecclesiology, because how you run things in Rome is irrelevant to the Orthodox. What is not irrelevant is that when we walk into a Roman Catholic Church we are not in the same Church as ours -- not because you cross the other way, or because you use Latin on occasion, but because you don't profess the same faith as we do.
Our absence of communion with the Pope is not based on his presumed infallibility when speaking ex-cathedra on matter of faith, but the presumption that other patriarchate have to buy into that!
EP's interference into the MP's jursidiction is an interference, yet despite all that the Orthodox Church survives in "unity through diversity" not by accpeting everyone's customs but by sticking to the theological and ecclesiastical principles as they were formulated by the early Church.