His own article even says: “People with certain medical conditions or cholesterol problems may need to monitor their saturated fat intake.”
Eating less saturated fat will often reduce LDL numbers. Whether that’s worth doing - depends on what yours is at, and family history, etc.
My numbers were up a little at my last checkup so I switched to a vegan diet just to see how much it would affect things. I did another lab 3 months later. Result was: