"Liberal Party Death Spiral" -- the headline was in Thursday's Crikey, but it could have been anywhere in the media over the past few days. There's been near unanimity that not only is Malcolm Turnbull's leadership doomed, but the Liberal Party  is facing the prospect of fragmentation and irrelevance.

My colleague Guy Rundle, who wrote the article so headlined, correctly traces the party's problems to the amorphous nature with which it was founded, as a philosophically disparate coalition -- "at its worst," as he puts it, "simply a cloud of atoms pointed in roughly the same direction."