This isn't meaningless. In some strict sense it is not devoid of meaning the way colorless green ideas sleep furiously, purple monkey dishwasher is, but if you

This isn't meaningless. In some strict sense it is not devoid of meaning the way colorless green ideas sleep furiously, purple monkey dishwasher is, but if you have sufficient experience with human culture to understand the article at all then it doesn't tell you anything you don't already know; people typically don't consider jellyfish as pets.