The point of fizzbuzz is to prove you can program. There are a few ways to solve the problem but like real world all are not elegant and so you have to show how you handle such problems. Yet you can do the whole thing in less than an hour while real worle problems are expected to take a week or more.

there is no point in all the additions the article had the first example is enough to show you are not lieing about your ability and that is what matters.