Most "industry standards" are de facto standards. We're not talking about laws here, or even open standards like C or Common Lisp. An industry standard is simpl

Most "industry standards" are de facto standards. We're not talking about laws here, or even open standards like C or Common Lisp. An industry standard is simply a widely-accepted practice, which is perhaps defined by the fact that it would not usually be questioned by a casual observer from that industry. Painting interior walls some shade of off-white is an industry standard. Using Python for scripting and application logic is an industry standard in the same way.