The survival section in particular is getting cut and just left as content you don't need to interact with in order to beat the game.
The original plan was that it was going to be central to one of the acts of the game, but I do not believe I would be able to pull it off. The idea was that it was going to be the central point of an entire act. If you are looking at this from a game design perspective, you know why this was a terrible idea from the start