It’s far from irrelevant. The astonishing increase in obesity and diabetes has a cause, and the universe of possible causes excludes everything but diet and physical activity. So diet is a pretty good place to look for the cause. This is worth looking into and is extremely interesting besides. The Taubes article I linked to is a decent place to start. If you’d rather watch, there are plenty of lectures by Taubes and Lustic on YouTube.
“Lustic” should be “Lustig”
I just find the advice frequently and ridiculously contradictory.
It is unstable and unuseable. Everyone has a horse in the race.
Moderation in all things; no matter how perfect your diet you will eventually pass away.