Simple answer for you. Not everyone has the time or has a clue about "coding etiquette 101". So their instructions lack in many ways. When you train professionally you learn how to communicate clearly by marking up your code with clearly labeled tags and instructions. Many lack that kind of schooling.
Also, it is poor etiquette to hijack a coder/designer's thread like you have with a completely off topic post! Two wrongs never make a right! Either ask about the mod posted here for free or don't post at all! So please have respect for Paul M here and his work as well as all the other coder/designers and return to topic.