Interesting idea... ^^
The only thing I could possibly see an issue with it is if there's only one person, monitoring the servers. And then checking in on the different servers all at once can be difficult to do with there was multiple servers, one alone can be a hard thing to do with not enough people/ different time zones, etc. Etc..
But again, interesting idea ^.^
While this is a good idea, it would be rather difficult to set up and run multiple servers. I honestly don't see this happening anytime soon. Good idea nonetheless!