The evidence that shows that saturated fat is bad for you is based on large-scale population surveys that only demonstrate that most Americans who eat lots of saturated fat are unhealthy. They don't demonstrate a causal link between saturated fat and heart disease.

On the other hand, there are plentiful clinical experimental studies which show health benefits from switching to a diet heavier in saturated fats, including favorable changes in cholesterol levels and body composition. Peruse these articles when you get a chance:

http://www.nmsociety.org/low-carb-research.html

In particular, it's important to note that Americans have decreased their saturated fat intake since the government told them to in the 70s, and heart disease rates have gone up:

http://download.journals.elsevierhealth.com/pdfs/journals/08...