I don't think so. Not yet.
But, he doesn't add more to what is already known. It's still good to cut out carbs. It's still good to not overdo protein, particularly organ meats, sardines, and dark meats. It's still good to drink lots of water. It's still good to exercise.
All that is added is how UA fits into everything. And, he recommends to track your UA levels weekly and take some supplements that help your body excrete it or to prevent your body from making it in the first place.
The end goal is to prevent diabetes, which is the precursor to other conditions like weight gain, heart disease, Alzheimers's, and other degenerative diseases. They're finding that just because you aren't having to take insulin doesn't mean that you aren't already suffering from diabetic complications. UA seems to be the indicator that predicts the development of health problems. If you can control you UA levels, it seems to prevent the other conditions from developing.
Makes sense. The types of food I would carelessly eat in my younger years is not what I would eat these days. I am more careful about what I eat. I'm also a big fan of nutritional supplements. They are part of the overall balance of what keeps me on track when it comes to my health.