Absolutely nothing. It's really strange that HN is filled with people who think they're experts on nutrition, even though their beliefs are often directly contradicted by scientific research.
There are absolutely no scientific citations in what you posted. The link between saturated fat and heart disease has been debunked repeatedly. Ancel Keys, the originator of the saturated fat = bad meme has repudiated his own early research.
http://www.hsph.harvard.edu/nutritionsource/fats-and-cholest...