I didn’t know there was a 14 year old girl involved. That’s a separate issue for sure, but the promise of a “celestial kingdom” is all part of the con.
How many wives over 16 or 18, or whatever the acceptable age of consent was at that time, did Mr. Smith have? Were they all 14 when he bedded them?
Smith conned a 14 yo, 2 16 yo, and 3 17 yo into "marrying" him...
Half of these six he did in the same month -- showing how much into "girls" he was as a man in his late 30s!