>The relevant argument is that general consensus and what people actually use constitutes how words should be used/pronounced, as opposed to referencing laws.

Of course. "Let the use of words teach you their meaning," and so on. But when it comes to names, all bets are off. Names are a special case; prescription still holds sway over them. At least, I think most people would agree that you (the indefinite you) aren't wrong to correct someone who mispronounces your name. To varying extents, this is true also of the names of things.