That has given us margarine (plastic for your body), high carbohydrate diets loaded with wheat gluten, and the result is massive obesity - and all the concomitant health issues.
There is no causal link known between gluten and the obesity epidemic. Gluten sensitivity appear to be merely the latest in a long string of fads jumped on by people who are hypochondriacs as the demand for gluten free products has hugely exceeded known affected population. While there are a relatively small number of people with coeliac disease and other sensitivities, there is no (credible) published evidence that avoiding gluten has any benefit for most people or that it is a primary driver in the current obesity epidemic.
You NEED a good amount of cholesterol for a healthy nervous system, and avoiding eggs and cholesterol containing foods in general is thought to be responsible for the increase in Alzheimer's disease, among other issues.
That is little more than a hypothesis. We do not know with any certainty what causes Alzheimer's disease. Anyone who claims we do is selling something or confused. We are learning lots about it but we do not fully understand the disease process. There may be a correlation regarding eggs and cholesterol but the studies simply haven't been done to establish any sort of causal link in the disease process.
Furthermore you might consider linking to the source material you cite rather than an editorial in a random non-peer reviewed website that refers negatively to statin drugs as "mainstream medicine". That is not what I would consider an unbiased or credible source and it casts your argument in a worse light than it probably deserves.