And another person, regarded by the world as being very inteligent, has said the same things, basically that A.I can be very dangerous to mankind.
Though "killer robots" is not exactly my first concern, to me it seems pretty clear that humanity is already losing the war against computers, smartphones, etc. We are already being dominated, even if not the in the form of "killer robots" with guns for arms.
Really, so be it that humanity will one day vanish, that is a given. But to imagine mankind will engender its own fate, through sheer stupidity, arrogance or whatever, is the real punch of the joke here.