A development on the reffing point. It turns out the whole reffing team is in fact NH, as follows:
Referee: Joël Jutge (France)
Touch judges: Chris White (England), Giulio De Santis (Italy)
Television match official: Christophe Berdos (France)
Assessor: Jim Bailey (Wales)
I think therefore I might update my comment below in that the tone of the reffing will favour the Boks, although I still expect it to be pepperred with prominent decisions in favour of the Kiwis for the reasons given below.
NZ, in short, will have to be on their best behaviour and tone down their gamesmanship. But despite this disadvantage I still think they will prevail.