Fermi’s Paradox “solved” by killing civilizations?

Yesterday, I saw an article, titled The Fermi Paradox, Phase Changes and Intergalactic Colonisation, come across the wire that was about the (You guessed it) Fermi Paradox. For those that don’t know, the Fermi Paradox (originally asked by Enrico Fermi in 1950) is the question that if Extraterrestrial life should be so common, why don’t we see more evidence of it. So either intelligent life isn’t common or something is...