> You have to fertilize your microbes so to speak and eat these sorts of foods

[citation needed]. It seems unlikely that fermented foods are not consumed in urban areas at all. I’ve also no idea if other primates consume any fermented foods, but I’d guess probably not.

> People are becoming even lactose intolerant

Do any other primates drink milk after infancy? If not, that’s not really a valid concern in the context of the article.