Certainly our listeners, readers, and viewers have a great deal of influence. The calls came in fast and furious. HMCS stands for Her Majesty's Canadian Ship. Not in Canada, you haven't. We have rail ways here.
Rail roads are American.
Certainly that is the job of dictionaries. When we talked with Katherine Barber, Editor of the Canadian Oxford Dictionary, about who sets the standards for Canadian English she reminded us that, unless defined otherwise, dictionaries are descriptive not prescriptive. Canadian dictionaries include all kinds of words that are qualified as coarse slang . If we were to use some of those words we might lose our broadcasting licence. Just because a word is listed in a legitimate Canadian dictionary doesn't give us the right to use it on the air.