Yeah, I'm sure it would have simply been too much work to, um, add another DVD.
I'm sure the material was cut because, like someone just set, it didn't flow/fit with the game. Anything as big as Final Fantasy XIII is going to have a LOT of content cut for qualities sake.
Crusty VGchartz old timer who sporadically returns & posts. Let's debate nebulous shit and expand our perpectives. Or whatever.