This means that for almost the entire time during which the Old Testament took place, the Israelites didn't even worship the one God that was the main character at the center of every story in the Old testament.

Remember the story about the Israelites losing faith in God and instead worshiping Baal, the golden calf?

The fact that they were polytheists from the beginning all the way up to their arrival in Jerusalem completely invalidates the entire narrative thrust of this event and every other event in the Old Testament whose moral revolves around adhering to their faith in Yahweh, the One True God. 

The Old Testament was written around 721 BC. The locations around that time frame were basically correct, but the further back the author went, the less accurate the places and chronology became. The locations from the later part of the Book of Genesis didn't actually exist for another Thousand Years After those stories supposedly took place.

The Israelites were never slaves in Egypt. Egypt was actually conquered and ruled by another nation of people for about a hundred years right smack in the middle of the time when the Israelites were supposedly slaves there. The Egyptians also kept impeccable records of who they did keep as slaves. The Israelites were never part of that and were proven by historical records to live in a completely different part of the world at that time.

The story of Moses being placed in the basket as a baby and floated down the river was lifted entirely from a religious myth invented by a completely different nation of people.  This is just ONE of many other stories in the Bible that were also borrowed from the religious mythologies of other nations. 

The Bible is ENTIRELY contradicted by historical record, yet it has been used by its devotees as justification for ruining COUNTLESS lives, spilling OCEANS of blood, and generally being LITERALLY THE WORST PEOPLE IN THE WORLD.

Time to wake up, MAN up, and stop blaming your atrocities on a myth.