Nah, ozempic and Co change sugar absorption and satiation. People on it primarily eat way less instantly, apparently they just feel full and don't feel any desire to keep going. It also slows sugar absorption which is why it helps manage diabetes, so that might also play some role
So far we've found it thickens the intestinal lining and significantly messes with the reward pathways, we're not sure what the long term effects could be. It seems like at best, you basically have to stay on it indefinitely or regain the weight (which is true of current weight loss drugs)