Christian Apologetics attempt to rationalize and defend Christian faith and the Bible. Given that it is morally wrong to:

Then whomever claims to have committed such atrocities (god or human) is as reprehensible as the acts themselves. Consider:

Defending these acts demands calling into question the morals of the defenders. Yet innumerable hours of thought have gone into justifying such acts. Eventually the Church capitulated, declaring that the cruel Old Testament laws were no longer binding on Christians because laws did not lead to salvation. So it goes.