It is a century and a half since The Spectator noted the exceptional qualities of South Australia, a colony of free settlers untainted — unlike the rest of the continent — by the convict stain. ‘Everywhere … the enclosures over miles of plain, the hedged gardens, the well-grown orchards and well-appointed homesteads, proclaim the possession of the land by an industrious and thrifty yeomanry,’ wrote a Mr Wilson in these pages in 1866.