An opinion
I think we tend to over complicate things.
Its normal to wonder about why, how etc., we need an answer.
I didn't create this existence, that person over there didn't, so....... it must be some-"thing" way more powerful than us.
So, what could it be, I've never seen "it", or even heard "it", so it can't be here with us.
Therefore, it must be "up there", in the "fill in the blanks of your choice", so we look up.
Some one with some hierarchy says, lets call it the/a "fill in the blanks",....... the "name/tile" assigned by various cultures is of NO importance, anything really, would do.
( I don’t personally know how or if the word “god” translates to other languages)
Then this "authority", who suggested that "it" must exist, eventually "creates" rules and regulations to govern by, because "it" told me so, and we need guidance anyway.
We now have what has been coined as RELIGION, a simple and logical consequence of a universal need.
FAST