Why is it always people feel like this is their moment to shine, and go through the trouble of creating an account, just to say other people shouldn't take medicine to cure what ails them?
Since around a year ago, my go-to answer for this question is now "propaganda", aka "some marketing department somewhere astroturfing".
There is always this unshakable belief that whatever process causes people to gain weight is totally reversible with some gumption and will power.
Absolutely, and there is a very noticeable divide between people for whom exercise and CICO work: "just eat less and exercise more, bro" - and those, like me, where you will absolutely try anything and everything for many years with little affect until you eventually give in and try something that finally kills that little voice that appears on waking that constantly tells you that you want food, need food, need this specific food.