Evolution gave humans no target number of births, because what mattered historically was keeping children alive rather than producing them.

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• People aim at a number of surviving children rather than a number of births, so falling child mortality lets births fall without anyone wanting a smaller family. LSLyman Stone15 Jul 2025similar wording
• Natural selection will strengthen the human preference for other humans rather than erode it, because the people who resist outsourcing their social life are the ones who find mates. AIAlex Imas4 Jun 2026similar wording
• Finding no selection in African-Americans over 300 years is not evidence against selection: five generations is simply too short a time to compound. DRDavid Reich8 May 2026similar wording
• Population size is not what limited human adaptation; time is. A selection coefficient of half a percent works as well in a thousand people as in a million. DRDavid Reich8 May 2026similar wording
• The theory that birth rates fall because home life has not caught up with women's opportunities at work is not supported by the data. LSLyman Stone20 Aug 2026similar wording

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