In ancient days, there were giants, and later, when God’s sons married human females and had offspring with them, those children grew up to be titanic, powerful men. The Bible commands in Genesis 6:4:
The giants Nephilim were created as a result of the coupling of man and the Anunnaki because the Anunnaki themselves were human Titans and considerably larger than humans. Nephilim translates as “fallen he “Gods” were happy” in Old Hebrew.
They built us for our appearance. Only the amount of time prevented us from getting the wine. Only a select few were endowed with it, as evidenced by the Old Sumerian books and the Bible, both of which were written much later.