We'll start perceiving everyone as "us" as soon as most people realize what I discuss there.
Freud and ... aliens. Yeah, right, sure.
But the author missed the golden opportunity to take a shortcut to the "us". Nothing will unit men and women like an alien hostile mining race!
PUT ASIDE ALL PETTY GENDER DIFFERENCES JOIN THE FIGHT AGAINST THE MINER ALIENS THE WORLD NEEDS YOU!
> Many thousands of years ago a technologically advanced race of extraterrestrial beings came to planet Earth to mine metals
What's even less plausible is an alien visitor, having all the technology necessary to get to earth, somehow needing humans for the purely physical task of extracting metals. I mean we ourselves are now almost capable of automating mining yet haven't made it past our very own moon.