It shouldn't be. It's obvious that we are the Church.
Ok, that forms another question....and I would like to note, this is simply a question out of ignorance, I am not throwing accusations. how can these churches who break away from the Orthodox Church, claim to be the original? (RC, ACOE, OO, etc)? I fail to understand that.
Which party is the one that broke away is debated.
They each claim to be the party that was broken away from.
LOL, that made my day.
Be comforted, and have faith, O Israel, for your God is infinitely simple and one, composed of no parts.