We invent our gods according to our needs....... it's not rocket science. The gods we invent serve us and in return we pay lip service to them so the less intelligent among us will bow down and be obedient. A god's accomplishments or legend is based on handed down camp fire stories greatly exaggerated. It's best if a god is fearsome but cute.
Man can and does mold the attributes of god to suit himself, I agree. This however, does not explain the 'creation' of a god or creator or the spiritual.
As the times change we update our most cherished gods with selected historic writings, oral traditions, published books and tracks and the sermons of hyper excited TV evangelicals. There is even a man in Rome who wears pointy red slippers and pontificates on the role of women in our society and I am told he is never wrong.
Same as above.
We empower our gods with the knowledge that our collective culture has. However our gods are never able to possess more knowledge then man has at the time of their creation. This is one of those facts that does not change. If we didn't think it up neither do they. But from time to time new ideas and information has to be added to the god soup. Our gods never learn more or better until we know more or better and share it with them. Man is both the driver of the god and the brake.
Now on this I must disagree. I think that there are advanced things that some know, before mankind in general knows... learned from God, or through the Spirit.
I think science catches up to those things, in the sense of proving them...though recognizing that someone was speaking of 'the big bang' and 'sound waves' from 'God spoke', is a different matter. So I think it is more the language that is limited to understand more scientific things, and so they are explained in some sort of metaphor, or simple illustration.
Putting on and taking off the flesh -> moving from matter to energy, perhaps in understanding with standing wave theory. Perhaps also moving from one realm or dimension to another... spiritual to physical... the garden of eden vs outside the garden (the physical)
Miracles of healing... advanced knowledge, of perhaps mind over matter, or something we have yet to scientifically discover.
Who invented the Christian god? Jesus did with help from his followers. They needed a new god for a new time. Jesus wanted to be the Messiah but the Jews wouldn't have him. Since the Hebrew god wasn't light of foot nor very generous to non Jews Jesus decided he wanted a forward looking god instead of all that looking back stuff. He wanted a more loving god, no more stoning or multiple wives (though that got screwed up over the years). So they took the Hebrew God and retro fitted him with some new universal ideas. Paul the marketing guru helped put the finishing touches on the new Christian god and opened him big time. He was a hugh hit with the Greeks and Romans who really needed a god back in their lives.
Of course, Christ did not recant even to the point of death; not likely to happen if you were just inventing a god or hoping to be a messiah. Paul, et al, were persecuted, beaten, mocked, imprisoned, executed... a huge hit among a few; a huge target among those in power.