torekp comments on More Cryonics Probability Estimates - Less Wrong

20 Post author: jkaufman 17 December 2012 08:59PM

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Comment author: gjm 17 December 2012 11:51:26PM 11 points [-]

There's a possibly-important probability missing from your analysis.

For it to be worth paying for cryonics, it has to (1) work and (2) not be redundant. That is: revival and repair has to become feasible and not too expensive before your cryonics company goes bust, disappears in a collapse of civilization, etc. -- but if that happens within your lifetime then you needn't have bothered with cryonics in the first place.

So the success condition is: huge technical advances, quite soon, but not too soon.

Whether this matters depends on (a) whether it's likely that if revival and repair become viable at all they'll do so in the next few decades, and (b) whether, in that scenario, the outcome is so glorious that you simply won't care that you poured a pile of money into cryonics that you could have spent on books, or sex&drugs&rock&roll, or whatever.

Comment author: torekp 18 December 2012 02:44:57AM *  5 points [-]

Two other potential forms of redundancy:

  • Future civilizations have the power and motivation to restore even people who were simply buried

  • Everything you ever coherently wanted to get out of cryopreservation can be achieved by a cheaper method, e.g. having children

I don't think the first point has significant probability, but I'll throw it out there in case it inspires someone to find more possibilities I've overlooked.