Getting to your assertions about cholesterol, there is a chasm between "dietary recommendations for cholesterol" and "genetic and therapeutic modification of lipoproteins."
Re: dietary recommendations, which seems to be what you are referring to, I think that the evidence for or against specific dietary recommendations for many types of nutrient intake is hardly compelling. But it's also not an area of my expertise.
Re: therapeutic reduction of cholesterol, the results over decades are totally unambiguous: reducing LDL-cholesterol via statins and PCSK9 inhibition reduces cardiovascular disease and prolongs life. And those benefits are also conferred to people who have lower cholesterol throughout their life due to genetics.