TC Moore quotes extensively from Justo Gonzalez on immutability:

Therefore, when Christians, in their eagerness to communicate their faith to the Greco-Roman world, began interpreting their God in Platonic terms, what they introduced into theology was not a sociopolitically neutral idea. What they introduced was an aristocratic idea of God, one which from that point on would serve to support the privilege of the higher classes by sacralizing changelessness as a divine characteristic. Yahweh, whose mighty arm intervened in history in behalf of the oppressed slaves of Egypt and of widows, orphans, and aliens was set aside in favor of the Supreme Being, the Impassible One, who saw neither the suffering of the children in exile nor the injustices of human societies, and who certainly did not intervene in behalf of the poor and the oppressed. It would be possible to follow the entire history of Christianity to see how this God functioned in favor of the privileged precisely by condemning change and sacralizing the status quo.”

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