Nothing strange about this topic Michael! Moved to Anthropology because....
...think about it: what if you replaced the word "extraterestrails" with say, "African Pygmies" or "Big Feets"?
Why would you want to hide? In another thread around here, one motivation (ours) would be to avoid being noticed by Borg-like "civilizations".
No wonder those Pygmies hide....
To get a man's attention, just stand in front of the TV and don't move. He'll talk to you. I promise,

Buffy