“I believe I see the problem here. “
How is that a problem? Have you seen pics of that church? Their name is in Arabic across the front. The only reason I know it’s Christian it because of the picture of Jesus and a cross on top.
The name Assyrian Orthodox Church is an indication it’s not Muslim. They are “Nestorians” and don’t accept the Council of Ephesus (431) or the Council of Chalcedon (451), but are definitely Christians.