Generic answer, relevant to esteemed 20th Century scholar Joseph Campbell.
After a studying myths from around the world Dr. Campbell wrote a series of books, specifically The Hero’s Journey. This book underlay seminal breakthroughs in the dramatic arts, for instance. It underlies the success of the Star Wars franchise, for one.
It is a deep resource on the oft-repeated memes of the cultural stories of gods and heroes. Consistent themes recur, drawn from human nature and natural human aspirations. So all of the gods that people thought up, from India to Inca and edda to Veda, all of them show repeating themes. They are all cut, in a way, from the same human fabric.
Dr. Campbell rejected Christianity because it was different. The Judaeo-Christian scriptures just didn’t have those common human elements. They were foreign to his studies, They just didn’t connect.
To me, that is a strong answer about whether or not humans create gods—we do—and whether or not we created Jahweh/Jehovah/Christ—we didn’t.
Oh, and Another Thing 