While he did said something of that nature, things have changed a bit since he did so, in particular the amount of bugs that the game has had with this last update.
Fujino seeing himself limited by the Rpgmaster software, and having to reutilize MAPs for different scenes multiple times, has clearly drove the game to crash harder then Inoda's cheap bed after the fatso lays down.
This is the reason that people are saying that he is "slowing down", he spent most of his development time bug fixing, and unless the next update comes without a symphony of bugs like the previous one, then the development of the game will just be a vicious cycle of bugs and wasted time.
I think that whatever or not part 3 happens will heavily depend on this, and the next update. If they are remotely as bugged as what we got the previous month, then I don’t really see any way for Fujino to not end part 2 early.
Fujino needs to focus on Alice on the short term, as to finalize her arc, and end her role in the series. If you don't really want to see more Alice content in the future, you need to let Fujino focus on her for a bit so her role in the story can end.
But don't worry, I'm sure someday he will realize what is the only thing we truly want.
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