"I'm not saying that B# doesn't exist or that it's worthless. More the fact that arguing semantics over a enharmonic equivalent is a bit of a waste of time."

It is narrowmindledly only that in modern 12 note equal temperament, which JiK will soon give the exact correct name of, I'm sure ... ;-) If you REALLY know your Music Theory History (Internationally), that statement reveals a severe lack of breadth of knowledge and experience.