Where did you get that idea? As I have told you repeatedly, I am willing to consider the possibility that some parts of the Bible represent surviving revelation, mostly as a courtesy to my Jewish friends. Some parts are obviously myth. It is obvious to anyone with a modicum of education that neither of the creation myths in Genesis actually happened, nor did Noah's flood.<quoted text>
And you get to choose what is myth qand revelation.
Yet all of those stories are myth, not mere fairy tale, because they are stories that aid the faithful toward a better understanding of that Deity. And that, after all, is what myth is all about.
In general, I do not believe that any of the events prior to the Exodus has any basis in reality. They are all myths. Events of and after the Exodus may have some basis in fact - or not.