@Holo @ixlone
It is, and a credit sink for whatever comes out as a reward of hosting the server.
If you take a close look at their community, many starts running the client solely to fund their endless torment playing the game.
I mention the game partially as a joke, but let me elaborate more.
Sure there are individuals or group who are willing to freely give huge bandwidth to host stuff (this site, those xdcc guys on irc, - you know the guys), but afaik most of them still come from the west or having their server in the west due to reasons.
My point is, expecting people run the client solely for the sake of it could only go to that extend.
If you're expecting a reliable hoster, moreover to ease the load from asia, you'll want those who own or are willing to rent a vps located closer to that area to host the client over people who use their home connection (those home connection should also help but surely you understand how most asia individual-consumer-grade internet are.)
It wouldn't hurt to start considering creating incentives to those people to host and actually use a reliable server. Finally, you know how weak asian are against achievement, watching endless increasing numbers, or a way to show off their big fat e-peen. that's why I mention the game.
Here, you could make something totally different as an incentive, but when designing that, I believe it's worth looking at the relationship between their game as credit sink to their user-run server which indirectly generate credits - and, if you want to look further, the "moderation power" given to the user which partially derived from how much they help hosting the site.
But of course, you are the one who knows how big and how wide the coverage from extra servers needed. If you consider that the people who said that they are willing to host should be enough, and passive approach to increase the servers should be fine; then there's nothing more I need to add.