There’s been a lot of doomsday talk following the departure of conservative poster boy Cory Bernardi from the Liberal Party last week. According to the missives delivered through the conservative media, Bernardi’s defection either heralds the end of conservatism as we know it and/or the end of the troubled reign of Malcolm Turnbull.

Media groupthink has set in with unsettling speed, making it accepted wisdom that the fracturing of the right can only be a bad thing for the Prime Minister. The only way to stop more voters from abandoning the Liberal Party, according to conservatives, is for Turnbull to capitulate even further to the nostalgic preoccupations of “the base”.