The Polynesians and Chinese of those periods were not foragers -- both societies practiced extensive agriculture supplemented by hunting and gathering, as in preindustrial Europe.
I never said they were foragers; I thought the quotes were interesting from the controlling population perspective.
From Mike Darwn's Chronopause, an essay titled "Would You Like Another Plate of This?", discussing people's attitudes to life:
Conclusion, graphs, and references in article. As usual, I recommend reading Chronopause.com as Darwin has many good articles; to quickly link a few: