The yolk stigma concerns cholesterol. And whether or not the digested cholesterol impacts the effective levels in the bloodstream.
The study and video at the site says the study demonstrates it does not.
Egg yolks are a perfect food.
I am currently assisting newborn kittens, and as per my training, I know that in the absence of a mom’s milk, mammal babies benefit from a mix of whole milk with egg yolks mixed in.
It works for all mammal babies.
Works for puppies. Works for baby killer whales. Works for baby squirrels.