I'd like for you to actually explain how it's wrong to say that replacing a fat-heavy diet with a sugar-heavy diet is bad for health. You dismiss their premises and conclusions by saying they're looking at the wrong culprit for health problems. I'd prefer if you dealt with their premises and conclusions by falsifying said premises and conclusions.
Your assumptions about a high fat diet are a function of the "greatest health scam of the century":
“Somehow we have been led to believe that dietary fat will raise our cholesterol, which will in turn increase our risk for heart attacks and strokes. This notion continues to prevail despite research from nineteen years ago that proved otherwise. In 1994, the Journal of the American Medical Association published a trial that compared older adults with high cholesterol (levels above 240 mg/dl) to those with normal levels (below 200 mg/dl).9 Over the course of four years, researchers at Yale University measured total cholesterol and high-density lipoprotein (HDL) in almost one thousand participants; they also tracked hospitalizations for heart attack and unstable angina and the rates of death from heart disease and from any other cause. No differences were found between the two groups. People with low total cholesterol had as many heart attacks and died just as frequently as those with high total cholesterol. And reviews of multiple large studies have routinely failed to find correlation between cholesterol levels and heart disease.10 Mounting research like this has prompted Dr. George Mann, a researcher with the Framingham Heart Study, to go on record stating:
The diet heart hypothesis that suggests that a high intake “of fat or cholesterol causes heart disease has been repeatedly shown to be wrong, and yet, for complicated reasons of pride, profit, and prejudice, the hypothesis continues to be exploited by scientists, fund-raising enterprise, food companies, and even governmental agencies. The public is being deceived by the greatest health scam of the century.11”
9. H. M. Krumholz, et al., “Lack of Association Between Cholesterol and Coronary Heart Disease Mortality and Morbidity and All-cause Mortality in Persons Older Than 70 Years,” JAMA 272, no. 17 (November 2, 1994): 1335–40.
10. H. Petousis-Harris, “Saturated Fat Has Been Unfairly Demonised: Yes,” Primary Health Care 3, no. 4 (December 1, 2011): 317–19.
I never said that a high-fat diet was good or bad and certainly never made any assumptions on that matter. I asked parent to comment on OP's thoughts on the transition from high-fat diets to high-sugar diets. Very different.
The thing with fat is that for cardiovascular disease(CVD) prevention especially polyunsaturated fats are best compared to saturated fats and simple carbohydrates. Replacing lots of fat in your diet with sugar risks replacing polyunsaturated fats. Even replacing the saturated fat with sugar appearst to be at most CVD neutral, but possibly raises your heart attack risk.
I advocate moderation and balance. Consume reasonable calorie and macronutrient (protein, fat, carbohydrate) quantities. Eat what allows you to do that. For me, those carbs come from doughnuts and candy but also from brown rice and pasta. Just like my meats include both lean meats (chicken breast) and fatty, delicious meats (bacon). Combine this with exercise and all you'll avoid all the scary things the article talks about.
Again, you deal with their argument by avoiding it and offering an alternative plan of action. I am asking if you can explain why what OP is saying is wrong, not how we can make OP's issues become non-issues. Asking as you seem quite passionate about the subject.
