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David_Gerard comments on Is cryonics evil because it's cold? - Less Wrong
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In vitro fertilisation involves similar cold, used to preserve actual embryos intended to grow up into real life humans. As does freezing sperm. No-one bats an eyelid; I'd suggest because these technologies work pretty well.
There are many complicated ethical questions surrounding both the freezing of sperm and the freezing of embryos, but these questions arise because the technologies do in fact work pretty well, therefore have to be taken seriously.
This suggests "cold is evil" is not a factor.
Were people similarly nonchalant about it back in the 1970s when the possibility was discussed seriously but there hadn't been even a proof-of-concept trial, not to mention having it as a standard medical procedure?
I recall various qualms about it, but none related to freezing, and I can find no evidence of qualms related to freezing - all the qualms seem to have been related to the actual implications of the technology working.
Or, perhaps, that good marketing has been used to avoid triggering that reaction. Even though I know that cold is used in the IVF process it isn't the first thing that springs to mind. Cryonics has it in the name. And there are frozen people in spaceships on TV. Usually with unrealistic ice formations.