IMO, losing or maintaining isn't about eating less food. For most people, it's about eating more food that contains fiber and other nutrients. This naturally helps you feel full, reduces cravings, and provides your gut with the nutrition it needs to keep you feeling better. I think this is what this blog is pointing towards with a different angle.

I just published a post today about how feeding your gut better can help you lose weight. https://steemit.com/health/@theinsideout/how-a-healthy-gut-holds-the-key-to-a-healthy-weight