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That's purely anecdotal; the lowest quality on the hierarchy of evidence.

Quite the opposite. Bourdain was a well-known hardcore hater of vegetarians/vegans. He famously said that vegans should kill themselves, which is ironic to say the least. His statement regarding vegetarianism being a luxury is not only biaised but just plain wrong. More seriously: https://ourworldindata.org/grapher/meat-supply-per-person?tab=map "Meat consumption is highest across high-income countries (with the largest meat-eaters in Australia, consuming around 116 kilograms per person in 2013). The average European and North American consumes nearly 80 kilograms and more than 110 kilograms, respectively. However, changes in consumption in high-income countries have been much slower - with most stagnating or even decreasing over the last 50 years. Consumption trends across Africa are varied; some countries consume as low as 10 kilograms per person, around half of the continental average. Higher-income nations such as South Africa consume between 60-70 kilograms per person."