This video is the best video I have ever seen for diet as the local resident borned in Taiwan. When I was in the elementary school, the diet knowledge the school taught me was trying to eat all type of fresh food evenly which were divided to 5 categories. I also understand your talking points as the environment is different before and now which I had more exercise and walk when I was young. I think your view is quite fair without bias which I agree totally. Thank you for your efforts.