Shakespeare made all of his money by taking a cut in the sale of each theatre ticket.
The blog post was okay. I disagree with his comment about one-star reviews being 'wrong' though. The customer (who is the one paying, in the end, for this whole infrastructure) has so little power and so few effective ways to communicate with those in charge. This is the only technique that has proven to get the attention of anybody influential. So I say go for it