Having sat through a similar course, and despite being a proponent of Porter, I too was enjoying the article. Until the point where they mentioned Peter Drucker

Having sat through a similar course, and despite being a proponent of Porter, I too was enjoying the article. Until the point where they mentioned Peter Drucker's "foundational insight," at which point I realized it was just another "my business guru is better than your business guru" pissing match. Forbes is crap.