Earlier quoted context omitted.
He says he is committed to and I assume he has good intentions. He isn’t drinking or smoking, but water intake, salt intake, and red meat have been more challenging for his willpower/discipline. Also, I have no idea if matters or not but he is wealthy (low eight digits) as well.
Neither of those is a medical contradiction to receiving a transplant. Smoking is the big no-no because it is fairly well proven to impair healing and increases chances of failure. Evidence against red meat is very weak, and contradictory. Some studies show no harmful effects from non-processed red meat at all. In fact, there is just as much evidence against plant-based diets (they just aren't discussed widely due to…
I'm also in agreement that cessation of alcohol and smoking are much more reasonable requirements for placement on the list than other dietary patterns that are highly individual regarding effects on overall health.