Do we forget that this doctrine was given to Noah by a god that was by choice responsible for the death of every man, women and child and every animal who wasn't on the ark......if you believe this crap.
The reason for this mass slaughter was because the world was over run by wickedness other then Noah and his incest ridden family.
So the simple solution was to drown everyone all at one time.
Why not a timely visit by god's son and a few sword wielding angels to clean up this mess? Isn't this a god that can see the future? How much worse was the future compared to pre Flood?
When does wickedness start in young child? At what age? Were the unborn wicked as well? Jehovah the master abortionist. "just to be sure I'll drown them all and sort it out later..