You can assume whatever you want and I can assume whatever I want.
There is no doubt that a number of ancient “myths” talk of star people. Myths often are based on factual events. For example there are also lots and lots of flood myths.
Study: Laurentide Ice Sheet Melting Caused "Noah's Ark" Flood And Led To European Agriculture
New research published in Quaternary Science Reviews says the collapse of the North American (Laurentide) Ice Sheet caused the flood believed to be behind the "Noah's Ark" story 8000 years ago that kick-started modern European agriculture.www.science20.com
The ancients believed the flood was caused by spring snowmelt in the zagross mountains combined with spring rains. It happened from time to time and built the delta south of Basra.