There are so many ways we can kill ourselves. Badly programmed robots would at least have the benefit of being hilarious. Even funnier than cooking ourselves to death as a side effect of a twisted consumption binge.
Faculty at Cambridge University have proposed a Centre for the Study of Existential Risk. About time, really. (They “welcome enquiries and offers of support”.)
Regarding the Bill Joy scenario, Huw Price, the Bertrand Russell Professor of Philosophy at Cambridge, said “In the case of artificial intelligence, it seems a reasonable prediction that some time in this or the next century intelligence will escape from the constraints of biology.” When that happens, “we’re no longer the smartest things around,” he said, and will risk being at the mercy of “machines that are not malicious, but machines whose interests don’t include us.