To bad you weren't there at Ephesus to demand of the entire Christian world of the 5th century---- now known as Catholic, Eastern Orthodox, Coptic, Ethiopian, Armenian, Syriac, Eritrean, etc.-- that they've gotta use your words, because it takes too much work for you to get the gist of theirs.
The Council's aim was to clarify the nature of Jesus. Roman Catholics have shifted the focus away from this and have put it on Mary.