DanArmak comments on Does evolution select for mortality? - Less Wrong Discussion
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When I wrote,
That sentence should be read with a 'but' at the beginning. I was saying that I couldn't believe he would make such a basic mistake. I thought I must be missing something. That's why I posted here instead of dismissing the whole thing as him being wrong.
I recognize I'm emotionally biased against deathism and thereby against people who appear to be pro-deathism. But I did make an effort to find out the actual truth.
You're right; there are definitely genes which affect aging and longevity and can be selected. And I expect that if they have no other effect, then the selection prefers those variants which confer longevity. It's only when they are tied to tradeoffs or other effects caused by the same genes, that the selected variant may not be the longest-lived.