In the world at large people are rewarded or punished in ways that are often utterly random. In the garden cause and effect labor and reward are re-coupled. Gardening makes sense in a senseless world. By extension then the more gardens in the world the more justice the more sense is created.
There is still the feeling that women's writing is a lesser class of writing that what goes on in the nursery or the bedroom is not as important as what goes on in the battlefield that what women know about is a less category of knowledge.