For myself, to think that this is it, that if one cannot see nor envision something, it must not be…is as egocentric as those who jailed Galileo.
The thought that everything revolves around earth and everything was created for us to ‘use’ is more frightening to me than the thought of other lifeforms who will or already have established contact with earth.
You can’t just turn a blind eye to things and say that IT doesn’t make sense and therefore IT is not.
Truth be known, with the ‘stupid’ that seems to have a grip upon most worldwide, it wouldn’t take much to envision that we and our particular solar system have most likely been roped off from everything else with a big sign stating : ‘Do Not Ever, Ever Do This!!!!’ We could be the ultimate ‘OOPS!’
Perhaps Rod Sterling was farsighted and totally correct in the ending of his episode of The Twilight Zone with humans on display in an alien zoo. :\