What really happened here was that Jacinda was greedier than Bill. She chose to offer the devil more than National was prepared to.
Maybe. It's hard to know right now. It seems likely to me that Labour is just more aligned with what Peters wants to achieve this time around.
With Labour providing the Speaker gives a very precarious government
Nope. Why do people keep saying this year after year? In MMP - the Speaker also casts a vote.