The numbers don't have to be the same for the analogy to work. In any case, I think you're underestimating the number of people who never cook, or cook very in

The numbers don't have to be the same for the analogy to work. In any case, I think you're underestimating the number of people who never cook, or cook very infrequently. In your average family household, one person typically cooks the vast majority of the meals. To clarify, by cooking I mean real cooking — beginning with raw ingredients, going through numerous stages of preparation requiring some degree of skill, etc.