Rabbit Hole wants to be convoluted. Display red herrings but always come across as just treading water.
The penultimate episode hints that John Weir is losing it. That he is on the edge of his sanity. It leads to the confession scene in the church that led to the opening of the first episode.
His old friend Miles Valence could still be alive. Even though he jumped to his death in front of John.
That John's father Ben has been pulling the strings all along. He is behind the passing of the Shared data Act.
Crowley the antagonist of the show. Now wants to be on John's side as he tries to turn John against his father. Maybe he is still playing games?
The final episode will have several twists that is guaranteed. It is in the DNA of these type of conspiracy thrillers. Unfortunately Rabbit Hole has never soared as it heads towards its conclusion.