Maybe, but cultural opinion about diets has always been shifting and multifaceted. For example, the high carb SAD being defacto is a new thing. It became the d

Maybe, but cultural opinion about diets has always been shifting and multifaceted. For example, the high carb SAD being defacto is a new thing. It became the default around the same time as the agricultural revolution and mass media. Before that, there were lots of of options. During the period where mass media ruled, their was only one zeitgeist (brought to you by Kellogg’s!), but now with the internet we are back to historical norms where those with means are able to find advice free of commercial incentives and regulatory capture. For example, low carb has been around for centuries. https://en.m.wikipedia.org/wiki/Low-carbohydrate_diet#history https://en.m.wikipedia.org/wiki/Low-carbohydrate_diet#histor...