I agree, and I am a consumer of those myself, which did absolute wonders. And of course I will assign vastly more weight to my own experience, than to the opinion of some random guy on the internet who only read about it.
However, we also need to be conscious that this is a very very big business, and given the size of the market, is happy to pour billions into some studies that will demonstrate that it has all the benefits in the world and cures everything. Addressing obesity is a humongous benefit in itself, and helps with all the medical conditions that result from it (which in balance makes most mild side effects irrelevant). I am a lot more skeptical about those dozens of claims that it improves X by Y% (often low single digit). Most medical studies in general are dodgy, show minor benefits on small samples in a massively multivariate environment, which more often than not are statistical noise carefully selected, when the approach don't have outright flaws or fraud.
However, we also need to be conscious that this is a very very big business, and given the size of the market, is happy to pour billions into some studies that will demonstrate that it has all the benefits in the world and cures everything. Addressing obesity is a humongous benefit in itself, and helps with all the medical conditions that result from it (which in balance makes most mild side effects irrelevant). I am a lot more skeptical about those dozens of claims that it improves X by Y% (often low single digit). Most medical studies in general are dodgy, show minor benefits on small samples in a massively multivariate environment, which more often than not are statistical noise carefully selected, when the approach don't have outright flaws or fraud.