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Decades ago, there was lively and valid speculation about the existence of other civilisations in space. Though this speculation had it's roots in the fiction of the day it was nevertheless a legitimate line of enquiry. However this speculation was handicapped by lack of data, and soon took a euphoric turn. Now that the data is in thanks to millions of years of computer time in SETI's search, and from the results of the Kepler mission, it has been found that the most elegant and beautifully simple explanation of the Fermi paradox is that life is confined to Earth. We are alone. One of the great challenges of our time is to fathom why people so desperately need to fantasise about space aliens, despite total lack of evidence for their existence. Like others, I seek the answers to these questions. Original and intelligent discussion and contrary opinion is welcome. YA policy will be enforced in all correspondence.