The analogy is probably something more like: Salt is necessary to bring out the flavor in pretty much all food. So no one who doesn't use salt has made a good

The analogy is probably something more like: Salt is necessary to bring out the flavor in pretty much all food. So no one who doesn't use salt has made a good meal. Because salt is much more irreplaceable than allspice in cooking, just like writing is difficult to replace in honing ideas.