There could be a little overlooked portion of this being that damn near every plant cut for profit is a gmo project of Monsanto. So while humans may have been eating seed oils forever, seed oils ain't what they used to be.
I had my blood panel done during a hard keto run. I'd eat a solid cup of bacon fat daily and often more. My cholesterol numbers were incredibly low.
I haven't bought a piece of beef since 1993, my red meat consists of elk and deer exclusively.....and the numbers don't make me want to change.
That’s a bit of internet lore...been in the seed business for 35 years.