And more importantly, we'd have to erase Christ's sacrifice on the cross which was God-willed from before the foundation of the world for our redemption.
Yep, you've got the flood, Pharoah's army, all the firstborn of Egypt and the disobedient Israelis, and that's the first chapter! Let alone Sodom and Gomorrah, the Amalekites, the Midianites, the plague of hail, etc. etc.