I drank a stick of butter and gave a lipemic sample in phlebotomy school. On purpose. The answer is "No.", fat doesn't just magically stick to your arteries. There are plenty of days where I've eaten almost nothing but pure fat, lots at once, and nothing bad happened. The plaque that forms in arteries is now thought to form from within the tissues, not the surface, and is made of much more than the few accused molecules we've come to know and love.
Steak, eggs, potatoes - fruits, nuts, berries and forage. Coconut milk and potent herbs and spices. Tea instead of coffee now and teeny amounts of kelp daily. Let's see how this does! Not really had dairy much, and gut seems better for it.