The author makes a good case against open source businesses, but he indulges himself in a false dichotomy between a traditional proprietary model and open source. Increasingly often, there is no market for your proprietary software. It is then not a choice between open source and proprietary models, but rather between doing open source or doing nothing. A lot of markets are just gone , and they're not coming back. Od…
I would argue this encourages innovation in freedom-respecting/open-source software business models.