Because God is not 'god.'
The ancient tribes often considered themselves to be the descendants/followers of a patron god or goddess.
"Pro Aris et Focis" - the old latin phrase meaning "For what we arose from and what we gather around" or "for hearth and home" or "god and country" depending on exactly how you want to interpret it.
The Aris (arise) refers to the origins of a person - their tribe and the god their tribe grounds their belief in. They were either chosen by this god or were directly created from this god or are part of its mortal lineage on Earth. The Focis is the altar to this god that was the basis for a community, a country, and culture.
The "god" we worship now is a hybrid entity composed of God and the likeness of a specific god of the scribes and rulers from babylonian times. Molek/moloch and the bull. Effectively, a god claimed to be God and their followers overthrew the leadership of the old tribes, replacing their worship of their tribal god and its place within the pantheon with the worship of the god of rulers - the king of kings, so to speak.
God is a concept, however. God as a life force or entity reigns above the figures revered as "gods." Even the old gods recognized this and the old religions recalled that there were concepts above and beyond the powers of the pantheon. In the greek mythos, gaia and neptune gave birth to the titans, who in turn gave birth to the gods. In ancient customs of assyria and babylonia, there were the dragons apsu and tiamat - yang and yin, respectively.
We worship the likeness of moloch with some attributes and likenesses of Saturn, elevated to the status of Neptune/Gaia as one (fraudulently, I might add).
Many of the books in the Bible come from prophets and scholars who followed El Shaddai (god was not one for a very long time, and was later retconned into all of these names meaning the same god concept, rather than the pantheon they originally fell within). This is important because El Shaddai is the god of the wilderness and the mountain dwellers. The Sage. The Hermit.
But I am getting off track. Satan is a god who sought to become God by devouring the creations of other gods. His wish was granted in the nature of his trial and sentencing. What do you think the Tree of Knowledge was? It was satan and all of his knowledge.
We stand above gods (or will), and are the next evolutionary form in the pursuit of understanding God. Satan was rather stupid and just believed the secret was "know thyself" and to consume more power.
There are those who still believe that and, seeing themselves as the embodiment of the will of satan, believe it is their duty to resurrect the god. Whether you worship the current figure of god, or embrace the raw pursuit of power and authority over those around you, you ironically worship the same entity and are food for its resurrection.
Whether this is literal or metaphorical is kind of a moot point. Why is it that the radical left and a number of church officials find themselves in such odd agreement with each other as politics increasingly finds its way into the pulpit?