Sure there is! They provide good examples of what is not accepted here at HN so that bystanders know where the line is. Educating newcomers about what is acce

Sure there is! They provide good examples of what is not accepted here at HN so that bystanders know where the line is. Educating newcomers about what is acceptable is a very difficult thing to do in web communities, and examples (of both good and bad) are the best way.