In order for the MMORPG's to regain peoples interest again someone is gonna have to create a game that has a good to excellent rating as far as game content and then change the price plan to a lower price. This concept is what changed the ISP wars and forced companies like AOL, Prodigy and several other companies that are now out of business, because they had sub-par service at high prices to change.
I'm sure not everyone agrees but this is only the observations of someone who has been in the industry since Pong.