It's true. Have some spinach/kale/dandelion, some oysters, some liver and a few eggs, nuts and berries and a sweet potato (or not!) with a little bacon/heart/fish/beef/fowl and that hits most of your micronutrient ratios for the day.
I, for one, just tried adding fruit back to my eating and got bloated, gassy, and *runny*. Not worth it, for me.
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.