What led you to believe that I haven't heard of the tragedy of the commons? It's an inescapable little parable that's in the foreword of every intro textbook on economics.
In case you haven't read the wiki page you linked yourself, privatization is exactly the solution to the tragedy of the commons, and illustrating the benefits of private enterprise is exactly why the tragedy of the commons is ever brought up.
In case you haven't read the wiki page you linked yourself, privatization is exactly the solution to the tragedy of the commons, and illustrating the benefits of private enterprise is exactly why the tragedy of the commons is ever brought up.