While I don't subscribe to this strain of thought, it definitely brought up memories of The Matrix, Tron, and Ghost in the Shell. Something that I think is extremely relevant here is the birth of the computer when the U.S. designed it as a guide for the thermo-nukes. The part pertaining to the article posted begins at 11:17 with a guy named Barricelli. I'll let the video take it from there. My point being artificial intelligence running at the basest of levels of computer history doesn't make this seem as far as a stretch, following Musk's theory. Would I necessarily support the notion on the whole? No. Though it does beg the question of are we, humans and all life on Earth, the first/farthest life has gotten in the Great Filter. If not, this is just one of so many possibilities that could [have] happen. With regards to his math and where 1/billion comes from, I see no proofs. That guy asking Musk questions really seemed to be wanting validation from Musk....