Late last week, Shoppies union boy wonder and SA Police Minister Peter Malinauskas was preselected unopposed to move from the upper house to the lower house safe Labor seat of Croydon.

The Shoppies (or Shop, Distributive and Allied Employees Association) control the SA Right's 45% share of state conference floor delegates, by virtue of their almost 30,000-strong membership, which dwarfs all other affiliated union memberships in the state. South Australia is the last bastion of Shoppies domination.