80/10/10 is but one variation of a raw food diet. Another variation is "sprouted" vegan. Incidentally sprouted lentils have more protein and are a more complete protein than cooked.
There are some concerns that too much fruit can lead to pancreatic cancer. That's why I think a good diet should include alot of leafy greens as well as sprouted legumes, nuts, and seeds.
This is actually a question that does come up, mostly among raw vegans, and the answer is that coconut oil has been successfully proven to raise cholesterol levels that are too low to healthy levels.
If you listen to the naysayers, the more nuts and seeds you incorporate into your diet then the more likely you are of having a mineral deficiency. (because of phytic acid)