The food pyramid was not mainstream nutrition science. It was USDA propaganda. The USDA represents the commercial farming industry, not the eating customers.
Discussion
From what I gathered, you believe high cholesterol will kill people early. That's the premise for the food pyramid and the propaganda push against real foods from the 70s - margarine instead of butter and the like.
A lot of people have real health issues due to the mainstream propaganda right now, believing the human body does not need animal products to function at 100%. Virtue-signalling until the body starts breaking down.
They weren't wrong about the cause of atherosclerosis, they were just wrong about how to fix it.