Oddbean new post about login | logout The objective version of that is that you're replacing most of a less-successful culture with most of a more-successful one, but the former has a better chance at partial-extension.
While tend to agree (just like a gene, a natuon that doesn’t reproduce can’t be easily categorised as succcessful), let’s not forget many of the less successful nations have higher birth rates (a steelman arg is higher birth rates are a response *against* a declining nation, but still )