there are really two kinds of mmos -- worldly and diku-based. in the worldly games, like eve or runescape or uo, there's enough emergent player behavior that you could farm some interesting tv show plots from it.
for example, you're right that in eve, there's lots of espionage fodder: http://www.shacknews.com/featuredarticle.x?id=527
i mean, remember. they're really just looking for content seeds based on in-game happenings. and a short-form tv show is just the place to explore a sort of anthology based on player-created content.