The whole irony is that quote is making the exact mistake his post is about: "eat less" is great advice for people where eating less isn't that hard, but it's not helpful advice for people who struggle mightily with eating less and who live in an environment of calorie rich, nutrient poor foods. I've naturally always been skinny, I often find eating a chore. Eating less is incredibly easy for me, but eating right and exercising enough to maintain muscle is the hard part for me.
I mean, we've been telling people "eat less" for literally decades and Americans are fatter than ever. The only thing that finally brought down societal-wide obesity stats was GLP-1s.
“Eating less” is the bottom line, but the road there can be fraught.
Many people don’t understand what the high calorie drivers in their diet are, many wildly mis-estimate how much they’re eating, most people inflate the weight loss impacts of training and neglect the appetite rebounds, and the interplay between insulin and appetite and how to manage satiety signals is voodoo for even a lot of doctors. Availability of proper food and time to prepare it are hurdles on top of hurdles.
My estimation is that a lot of people are using way, way, more energy and willpower in their ‘diet’ cycles than necessary but tragically getting poor results because of miscalibration. Our society is geared around profitable food delivery, not healthy dietary wisdom.