I've always understood it to be "Ramen profitable" as opposed to, say, fancy-steak-and-a-five-star-hotel profitable. e.g. barely profitable (or in this case, s

I've always understood it to be "Ramen profitable" as opposed to, say, fancy-steak-and-a-five-star-hotel profitable. e.g. barely profitable (or in this case, sustainable, argues the OP).