I don't understand... What MMORPGs aren't 'lasting more than a month or so'? WoW, Rift, SWTOR, TERA, GW2, ArchAge, Black Desert, AION, Elder Scrolls Online, FF14 etc etc etc are all still online and generating positive income...
In fact, the only major MMORPG made in the last decade (post-WoW...