it's a really weird relic of what i assume sounded like a good idea at the time, letting servers havin specific topics so people can more effectively gather together with limited server space. i can only assume they just didn't have the ability to make a smaller number of large servers in different regions or smth, but i think it's dated now. the game feels really desolate when there aren't a lot of people around, would be cool if they decided to switch to a more modern setup