I've heard different from sleep doctors, that is, it can be bad luck from genetics where weight is not the main (or even not at all) a factor, but for others i

I've heard different from sleep doctors, that is, it can be bad luck from genetics where weight is not the main (or even not at all) a factor, but for others it's largely caused by fat deposits blocking the upper airway, and with weight loss it entirely goes away. So case by case?