However, they are not weight loss pills in a sense that they do something to reduce bodyfat on its own. They just suppress appetite, and you lose weight naturally by eating less.

And unless you experience significant side effects from those drugs, imo this would be preferable over drugs that do something to actually mess with bodyfat levels directly. Potential side-effects of that direct approach just seem to not be worth it, but that's just a speculation, given such a method currently doesn't exist at all.