Porter's five forces and the social web

Cam Pegg writes:

I’m re-reading Michael Porter’s seminal article, The Five Competitive Forces That Shape Strategy, and just had an OMFG-I-need-to-get-this-tattooed-on-my-forehead-so-that-everyone-I-talk-to-gets-the-message moment:

A narrow focus on growth is one of the major causes of bad strategy decisions.

The thing about growth is that it leads to bad s…