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I don't want my remarks on Kurzweil to be taken as too critical: I love the guy. He introduced me to life extension, the Singularity, and transhumanism (although I've never heard him use the word transhumanism)! Any criticism I have (of for example vitamin milkshakes) is made in an affectionate manner. Vitamin milkshakes are harmless and Kurzweil can spend his money however he likes. He has done infinitely more for the transhumanist and life extensionist cause than I ever will.
That said, if one is going to defend Kurzweil, I think Reason does it in a curious way. If I could summarize this defense: Kurzweil backs up his claims. Really? Kurzweil's evidence consists of over-extrapolating from Moore's Law (Aubrey de Grey might call him an extrapoholic!). I haven't read the vitamin milkshake pushing Fantastic Voyage but I suspect Michael Rae could debunk most of it (I'd like to see that!), although its food pyramid seems sensible. Notice, however, how different the food pyramid in Fantastic Voyage is from the grain-heavy one in the 10% Solution. Once we get into Kurzweil's more specific predictions (nano-bots in the bloodstream, neural nano-bots for Virtual Reality, optimistic time-scales), I see no evidence for these claims whatsoever. You write that he's too optimistic about time lines. But I think he's (also?) too optimistic about outcome: Kurzweil acknowledges but seems to dismiss the possibility of a global catastrophe striking before the Singularity, an unsafe Singularity, or him dying before he reaches the Singularity.
That said, Kurzweil is definitely right about a lot. His less specific, and more general, claims are obviously true: (barring global catastrophe) we will reverse engineer the human brain and cause a Singularity, before or after we reach escape velocity. This may happen in 2020 or, less realistically, 2120, but the prediction is important to make regardless of when it happens, because the event is of the utmost importance, a century or two is just a moment in geological time, and many people deny that we can ever reach the Singularity or escape velocity.
Finally, the future is hard to predict. But as a life extensionist, I feel most comfortable with Kurzweil (and Aubrey de Grey) when they are making their ethical case for enhancement (in Kurzweil's case) or life extension. The ethical case involves no predictions which might prove us wrong. Aging will be unfortunate, and life extension will be ethical, today, tomorrow, and forever. Perhaps making this ethical argument is one of Kurzweil's best contributions.
[Posted by: Kip Werking at August 5, 2005 10:06 PM]
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