We have become used to this ploy over the last few years. First the Harry Potter team then the Twilight mob took the cynical decision to split adaptations of the relevant last novels of each sequence into two parts.
Then The Hunger Games followed suit.
. Now we learn that Lionsgate is to bifurcate Allegiant, the closing episode of that studio’s take on Veronica Roth’s dystopian Divergent sequence.