Jacinda Ardern has ruled out spending her carefully hoarded political capital on supporting a wealth tax, drug reform, or even real action on climate change (which was "my generation's nuclear-free moment" just three years ago). So what is she willing to spend it on? A four year Parliamentary term: making herself and her successors less accountable to us.
Its an unpopular proposition - unlike wealth taxes or action on climate change - the two previous referenda on the issue have been defeated by almost 70% opposition each time, and any future referendum is likely to have the same result. So of course, she has been talking up the possibility of politicians conspiring to do it via a supermajority, rather than taking it to the people. Fortunately, National has now shitcanned that idea, so if she wants it to happen, she will have to ask us, and risk the humiliation of defeat. Hopefully that prospect will deter it, as it has deterred her predecessors. If not, well, it seems like a pretty funny thing for a Labour politician to want to die in a ditch over.