Apparently mistaking ' The Martian ' for a documentary, intelligent aliens are moving together in their Galactic ' UN " to nip a potential planet-destroying species in the bud.  To lose one planet might be considered unfortunate. To lose two is beginning to look like proactive genocide.  Sorry no link is available right now since so many died to bring us this information. TL/DR use of a so-called " Death Star " has been authorized against us. Such is intelligent life. And a great lesson for all of us. The strong AI do what they like - the weak-minded conservative suffer what they must.