I personally don't think it's worth it because I don't like the idea of taking drugs, I'm a cheapskate, and have no problem losing 5 lbs if I put my mind to it.
But for patients who want it to lose an extra 5 lbs, and don't have contraindications AND if there was an infinite supply, I personally wouldn't have much problem with it. If we're talking 5 lbs they are most likely taking it for a week or 2 every few months. I personally think the downsides are relatively small in that situation and wouldn't die on that hill.
We give out zpacks solely to keep people happy all the time and potential downsides are probably comparable. With ozempic at least there's no adverse effects on society due to your overuse (again, assuming an infinite supply). 🙂