Just because an official body gives a single definition doesn't mean it's unambiguous. Real communication isn't bound by official bodies. When I say my computer has 16GB of RAM, that does not mean exactly 16 billion bytes.
I need to update my language accordingly? No thanks. I'll keep saying what I say and nothing will happen.
Right, it works by a bunch of different people all using the words in the same way to communicate. Like, say, various SI prefixes being used to mean powers of two in computing contexts by large numbers of people for longer than most of us have been alive.
I need to update my language accordingly? No thanks. I'll keep saying what I say and nothing will happen.