I think it's important for people to realize that the God of the Old Testament is not the same as the one in the New Testament. Eg an eye for an eye - Old Testament. Turn the other cheek - New testament.
They are opposites.
I'd love to know when, where and why the 1st one departed the Bible and the other one was brought in. Was one Satan/Moloch/Baal/Lucifer etc and the other the true God?
It's as though the Bible is missing a whole chunk of events/"history".