The standard for medical interventions usually isn’t “could it work?” or “should it work?” but “does it work?”
This is why the efficacy of every single contraceptive method isn’t way higher than it is. Lots of them should work almost perfectly… but the harder they are to use correctly, the less effective they in-fact are.
Eating less, exercising more, has worked for the entire existence of human race. In fact, it worked for me just fine too. GLP-1s are a safe and proven tool and should be used wherever appropriate to assist people. Both of these are simple facts that aren't in contradiction with either other.
But saying the patent owners shouldn't be allowed to reap the benefits of their investment is ridiculous, especially when it's completely possible to lose weight in other ways. 6 years isn't that long to wait anyway.
This is why the efficacy of every single contraceptive method isn’t way higher than it is. Lots of them should work almost perfectly… but the harder they are to use correctly, the less effective they in-fact are.