There is nothing bizarre in the LDS faith. Indeed it can all be found in the Bible.
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No dear it cannot
dead dunking, polygamy, atonement in the Garden of Eden, Eve a heroine, pre-mortal existance, God was once a man, God had a father and mother, the church got lost and needing “restoring” and so on
None of that is in the Bible
Joey Smith and his cohorts just made it all up...
And you've only scratched the surface.