Interesting. I considered imminence more of a point of contention b/c the most outspoken "AI risk is overhyped" people are mostly using it as an argument (and I consider this bunch way more serious than Searle and Brooks: Yann LeCun, Yoshua Bengio, Andrew Ng).
http://fusion.net/story/54583/the-case-against-killer-robots-from-a-guy-actually-building-ai/
(An earlier version of this article was titled 'Andrew Ng disses UFAI concerns" which is the phrasing many of the commenters are responding to).