I hope to extensively respond to this in some future time, and I hope any among you who are interested will look out for that.
In the meanwhile I will say this.
- “They” the Greys, are already here and have been living comfortably for ten thousand years. They’re harmless, they are more like a colony of cosmic bees than we are ourselves. They are self sufficient in their habitats and have no interest in meddling in our affairs.
- they did not achieve interstellar technology until after their own world was terminal. They have been comfortable vagabonds so long they do not remember what star they are from or what they were even like before their modern heavily edited form (for a life of cosmic voyage.)
- the theory of mediocrity is absolutely wrong. Our commoditized consumertopia individuality is rare (and suicidal). The Greys expect we will deplete our natural world within hundreds of years, winding our civilization down to a dead end.
- they note our nearest neighbor, 127 light years away, live upon a muddy ball without seasons, and have been locked in a feudal state for hundreds of thousands of years. These do not mass produce consume and have no expectation of developing radio communications let alone anything more advanced.
- the Greys average life span is 10,000 years, and they spend that time (mostly) in embryonic sacs, experiencing the world through their technology of consciousness (they can and do “ghost ride” in our minds, as well as that of any life form.) they are heavily “genetically” modified for the rigors of space.
Take from this what you will!