The Dids theory of human [censored]-upery.

[Dids]

But science, and scientifically inclinded folk are far more comfortable with an end result of "dunno" than most.

Obviously a drive for exploration is great. It's when that bricks out that I see mistakes being made. Obviously religion is the best example. (warning, crude, inartful example follows) We cannot rationalize how we got here, etc, so some folks made up a Unicorn in the sky to help them get through the day.