QUESTION
Who was Joseph Smith?
ANSWER
Joseph Smith is widely known as the founder of the Mormon Church, also known as the Church of Jesus Christ of Latter-Day Saints. Joseph Smith from an early age was thought to have certain occult powers. He was known at a young age as a seer and reportedly used a seer stone to tell him where he could find such precious metals as silver. Both he and his father were known “treasure seekers” and used divination and magic to carry out treasure-seeking excursions. This, of course, brought him a name and a reputation. To this day, he is considered by some a saint and by others a complete charlatan. ...
https://www.gotquestions.org/Joseph-Smith.html
God tends to use some of the biggest screw-ups to do his most important work.
Moses was a murderer before God came to him to lead His people out of Egypt. Even then, Moses argued with God.
Saul, as a Pharisaic Jew was persecuting Christians, was in attendance when Steven was stoned to death at the Sanhedrin, and then became Paul, the greatest evangelist in the Bible after Jesus.
Peter denied Jesus, cut off the slave’s ear, yet he became the Father of the church.
There are many examples in the OT, such as David.
Some of my greatest and most valuable lessons in life came through interaction with people I absolutely detest. God works in strange ways at times.