"I'm increasingly inclined to thing there should be some regulatory oversight, maybe at the national and international level just to make sure that we don't do something very foolish."
http://www.cnet.com/news/elon-musk-we-are-summoning-the-demon-with-artificial-intelligence/#ftag=CAD590a51e
I don't think LW's ideas are heuristically absurd. If you look at the comments on the CNET article, people seem pretty evenly divided for and against.
(Criticism is still very valuable though.)