You certainly would, because not every case of obesity results from the same mechanisms. But just as with all the other what-about comments, this comment misses the point: this class of drug is wildly successful, and it's the most specific drug for this problem that's been developed so far

https://www.healthline.com/health-news/ozempic-glp-1-drugs-m...

Here's a good piece running through the failure modes in lay terms.