It would be nice if there was a way to add Russian, Spanish, Chinese, Japanese... etc... servers. If Turbine thought it was profitable, they probably would have added staff at their offices to do the Russian version themselves. Just keep in mind, there might be legal reasons why Turbine couldn't host servers for Russian territories. Thinking outside the box, maybe Turbine could use the Russian servers as their test-bed for community driven hosting services. Obviously mail.ru has / had an agreement with turbine, and that's how they got the source code they could localize.
I know, in FFXIV, you pick your language when you log in, and you join servers with everyone of every language, but the game engine and chat engine only shows you chat channels in your language, and will join you with players that match your language for pug groups.
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All my forum posts are my opinions and may not even be that. Also On Twitter: @leixicon