A short background of how Moroni may fit into this new perspective:
>"Most remarkably, Jesus Christ himself chose to visit the Nephites a year after his resurrection, in 34 A.D. Accordingly, Jesus gave the Nephites his gospel, word for word, Sermon on the Mount and all. He “set up his church among them,” the small book says, “giving its leadership authority identical to that which he conferred upon the Twelve Apostles in Jerusalem.”https://www.c-ville.com/A_lot_on_his_plates/ 