Finally, in regards to your "some quack" put-down, it actually behoves on you to provide evidence that an exclusively animal-based diet (especially with offal) is necessarily "deficient". It would seem that you lack sufficient understanding of nutrient bioavailability (generally high in animal foods), as well as the fact that RDA is not absolute (note for instance the reduced requirement speculations for Thiamin & Vitamin C in <https://www.mdpi.com/2072-6643/17/1/140>)?