the unanimous findings of Judaism, Islam, and Christianity, is a Biblical God who is omnipotent.
That's a little unfair. Christianity is a modification of Judaism. Jesus was a Jew, and preached about the Jewish God. Islam is also an Abrahamic* religion, and Allah is ultimately a variant of Yahweh. It's not particularly significant that all three religions, being family members, share family likenesses.
In my observance, no social pressure has ever caused someone to reject their own scanty Biblical 'evidence' and amateur theology, or stopped them from creating/promoting heresy, schism, cults, sects, denominations, and variations within denominations.
Does that opinion extend to history? Do you think no-one ever expressed a different opinion because of the threat of violence or ostracism? Excommunication, inquisition, heretic burning, Christian-vs-Christian violence in Northern Island, Christian-vs-Islam violence in Pakistan, and Islam-vs-Islam violence in Iraq are extreme versions of exactly the kind of thing I'm talking about, the kind of behavior that, at it's extreme ends, says "Believe what we believe or we'll set you on fire."
I certainly have not felt any pressure to believe that God is less-than-divine, nor can I imagine that the idea could be attractive to many. If it were, I am sure it would have sprung up somewhere along the line
It has sprung up, in various Christologies suggesting that Jesus was less than divine; they were very popular in the early church, and supported by some of the early emperors. However, they were condemned by orthodox bishops. The Bogomils were another Christian sect who saw Jesus as less than divine, and were punished for it.
But which came first? Are churches affecting the theology, or is the theology held by a people, the church?
How about this? A church is a group of people who celebrate in roughly the same way; a common liturgy and other practices. Theology is the underlying beliefs which give meaning to the liturgy. As an example, a theology that says that Jesus is the passover lamb underlies the ritual of communion, which is a symbolic passover meal.
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Abrahamic religions - Wikipedia