You must be joking right? If they make it that way, then simply make the server private and not free to play.
What's with the logic behind your deluded thoughts that this would actually work? You do realize that this would discourage players that don't pay to stop playing, right? Thus as the guy previously quoted you, the server will be left off only with the ones that pay for something and there will be no economy. I mean the game isn't only around the ones who pay. I could agree with limited support of the free servers against the paid ones but not this.
I've kinda overwhelmed the