Was this written by a Poe or by a demented ape?
Before seed oils came onto the scene, heart attacks were unheard of
Before seed oils came onto the scene. Ahh, so somewhere around 10,000 BC or earlier?
Now, of course, industrial processing of seed oils in the US with the FDA turning their backs on anything remotely related to consumer protection has allowed horrible chemicals to be used to make things as cheap as possible with no regard for human health, so at least in that regard the OP may have a point. But eating lard instead and calling it healthy? Uh, no.
how I can maximize the amount of animal fats and cholesterol
Why not throw in some cyanide for extra flavor?