I don't get this either. Also from the article: "Why in the world would anybody spend any money to try to improve the seed if as soon as they sold the first on

I don't get this either. Also from the article: "Why in the world would anybody spend any money to try to improve the seed if as soon as they sold the first one anybody could grow more and have as many of those seeds as they want?" If the flaws in their business model are so obvious (i.e. farmers can reuse their product once they bought it), why don't they try to improve their business model instead of threatening farmers with lawsuits and trying to regulate the food industry?