“Anything but the Lord Jesus” is the basic preference for such, as “space seed” theories do not make moral demands.
Militant acerbic atheist Christoper Hitchens stated,
My own view is that this planet is used as a penal colony, lunatic asylum and dumping ground by a superior civilization, to get rid of the undesirable and unfit. I can’t prove it, but you can’t disprove it either. It happens to be my view, but it doesn’t challenge any of the findings of Darwin or Huxley or Einstein or Hawking. - “A day in the intellectual glare of Hitchens: Contrarian opines on religion to his crowd of followers,” by Joseph Brean, National Post (2006-11-18}
“My own view is that this planet is used as a penal colony, lunatic asylum and dumping ground by a superior civilization, to get rid of the undesirable and unfit...”
Spirited: Hitchens admits that there really is something very wrong about mankind. Not himself of course, just the “others.”