Here is a picture of a Samoan chief from about 1890. He did not consume any seed oils, grains, nuts or beans. https://m.primal.net/HiZv.jpg
What was their primary diet at the time? Fish?
Yes and pork, fresh coconut , coconut oil, starchy root vegetables like taro, yams and cassava, tropical fruit including bananas, pineapples, mangoes and papaya.