Earlier quoted context omitted.
No anthropomorphization was required, I just looked at one of the sources on that section of the page and saw the statistic did not involve the number of newborns and so figured myself those facts could indeed be simultaneously true. How do I know the methods described in the source were correctly used here? I don't, but I also wouldn't know that based on whether or not a human wrote the webapp. I'd know that by chec…
Which source was that?
Preston, S. H., Heuveline, P., & Guillot, M. (2001). Demography: Measuring and modeling population processes. Blackwell Publishers.
In GP's case I believe they are correct the Hajnal source is not relevant to the Yangtze Basin but reading the first page should have made it clear the facts could be simultaneously true regardless where the percentages came from or if they were accurate.
Again, there are plenty of problems with the site. That it was clear these facts can't all be true simultaneously was just not one of them.