Earlier quoted context omitted.
Olive oil is not a healthy fat (as much as I'd love it to be) -- it's got a substantial amount of saturated fat, and the interviewer is correct -- it's very easy to get a lot of empty calories with oil. Aside from that, weight is not the only issue. A high fat diet (even a vegan one) is not good for your cardiovascular system. There's a widely quoted study by high-fat diet proponents comparing two groups eating a hig…
I read somewhere that a mix of 50% olive oil and 50% butter very closely approximates the lipid profile of human fat. If saturated fat is bad for you, why does the body choose to store "bad" fats? Wouldn't evolution have weeded out saturated fat storage since it's "bad" for your cardiovascular system?
This argument reminds me of the vast difference between eating genetically modified plant or animal tissue versus modifying your own genes.