Some neighborhoods lack fresh, healthy food, and the book argues this is not a natural gap. It is a system that sorts access to good food along racial lines. The food system also rests on land taken from its original people, and that taking has never been put right.
You cannot fix a racial injustice by designing answers on behalf of the people it hurts. You have to listen to them first. For farmworkers, that means more than protecting them: they need real agency and a voice in how the work is run.
Sustainable farming methods are usually presented either as having no history or as having started in European communities. This hides where many of them actually came from. The book calls that erasure an injustice and a tragedy, because it cuts people off from their own inheritance on the land.