This part:
"There are quite a few additions to the scenario. While the main story itself hasn't changed, there are a countless number of new events. Otherwise we wouldn't have two Blu-ray discs. (Laughs.)"
Especially the laughs at the end confirm it.
Chuckling about all the hunts and job board fetch quests events added to pad out the game to an acceptable length given the end of the first part is when you leave Midgar...
Yup. Game is gonna be flooded with filler shit.