Party leaders matter. And party leaders don't matter. If that sounds like typical academic gobbledy-gook it probably is. "Bloody academics" my tradie partner would echo if anyone asked him. Let me qualify.
What I mean is experienced leaders matter, inexperienced ones don't. Which is why Bill English is the only candidate qualified to become leader of the National party and Prime Minister on Monday. And why, if the National caucus chooses an inexperienced leader on Monday, the National Party is sunk at the 2017 election.
The history of MMP is littered with failed rookies: ambitious MPs and Cabinet Ministers who presided over losing parties and/or were rolled by their caucuses before they had experienced a whole three year parliamentary term as party leader: Jenny Shipley, Bill English, Don Brash, David Shearer and David Cunliffe.
Political leadership is a long game. It takes years for voters to get to know and trust a leader and judge them to have sufficient credibility to lead the country. Jim Bolger had four years as party leader and Helen Clark had six before they became Prime Minister. John Key only had two, but Key was lucky.
Key's inexperience didn't really matter to National winning in 2008. After 2005's close election the pendulum had well and truly swung in National's favour and whoever was in charge of National was going to be Prime Minister in 2008. Hell, even Brash would have been Prime Minister if he had toughed it out through the email scandal that saw him resign in 2006.