The danger in running a cartel is a bit like that faced by the Targeryans of Game of Thrones. The power is so absolute that the only danger to it is itself as it breeds hubris.
That is the moment that Australia’s gas cartel now faces:
A treasurer in possession of a large budget deficit had better channel the American bank robber Willie Sutton rather than the English author Jane Austen – he needs to go straight where the money is.