Nor does it explain why Weird Looking People X from Faraway Place Y have to be aliens from Zeta Reticuli rather than just different humans from somewhere a long way away .
The Elohim are only recorded as being giants, not another species altogether. They are said to have been keen on breeding with their subject nations' women, which wouldn't have been possible if they were aliens.
If 60s and 70s sci-fi stories were the inspiration for the Greys then is this version of human history inspired by those 50s B-movie posters where alien monsters accost young human women with improbable figures?