Do you believe Mary gave birth to only the human Christ or did she give Birth to Christ fully human and fully divine. The title Mother of God is about who Christ is first only after that is it about who Mary is.
Mary birthed the man who was God. She was not the Mother of God. God ain’t got no momma! Mary was used by God to bring the Son of God into this world. She is special because God chose her - she wasn’t chosen because she was special.