I think the concern with the pods is different from large body mass. The pod gets tossed (presumably) in an emergency situation so it can end up somewhere that

I think the concern with the pods is different from large body mass. The pod gets tossed (presumably) in an emergency situation so it can end up somewhere that is blocking someone else from safely evacuating. It would be less like an obese person than a normal weight person wearing a fat suit which they discard and throw in the aisle if they have to emergency deplane.