Reeducating a million users is far easier and more productive than introducing a billion potential users to an ugly, cumbersome, and transactionally costly-to-communicate legacy naming convention.
Like Pol Pot? I think you will find stiff resistance amongst the libertarian-oriented community of early bitcoin adopters.
Like Pol Pot? Um, no...
And if there is anything that early Bitcoin adopters will tend to have in common, it is the ability to quickly recognize a superior format. And if ten times as many new users adopt a new scheme everyone will follow. That's how language works.
Mil-e-bit-coin is just a really stupid thing to call a unit of currency. The fact that it is four syllables is but one of the many reasons why.