Seeing as Besaid is going into Balmung, it's likely that most role-players from Besaid will be staying just so people don't have to all re-organize and get up and move.

IF in 2.0 SE created a new server and called it a RP server, I can see it tearing the current role-players apart.. being more of a hindrance than a help. Since many already have friends on Besaid/(Balmung).. half the community may choose to stay on Balmung, and half move to the RP server. It would do no good. I think if SE is going to label a server "RP friendly," it has to be the existing server with the highest population of role-players.