FFXI was not "constantly ported", it was designed for and originally released on two platforms (the first MMO to share worlds this way). 360 support was added when that platform became available.
As for saying it "didn't do really well" you clearly have no clue what you're talking about. Prior to the release of WoW it was the second largest subscriber game in the world, only beaten by Lineage which was and still is an excession by any measure.
Square Enix confirms new MMO for Xbox 360 & Vista, maybe PS3
Feb 8th 2007 6:43PM (Joystiq)FFXI was not "constantly ported", it was designed for and originally released on two platforms (the first MMO to share worlds this way). 360 support was added when that platform became available.
As for saying it "didn't do really well" you clearly have no clue what you're talking about. Prior to the release of WoW it was the second largest subscriber game in the world, only beaten by Lineage which was and still is an excession by any measure.