Comment on Hindawi’s Profit Margin is Higher than Elsevier’s by Jessica

Under this situation of so many spam emails, why Hindawi should not be classified as Predatory publishers? Beall, can you come out with answer. Beall himself describes Hindawi as House of Spam. When AL says, most often the subjects are not related to the work of AL, can Beall come with right way of description to the marketing strategy of Hindawi.