Multiculturalists encourage vagueness about 'contributions' to give the impression of equal participation, as in the 'new age' school sports where every player in the team must handle the ball before a goal can be scored. If one were to compose a more precise ethnic history it would read something like this: The English, Irish and Scots were the founding population; they and their children established the Australian nation.
Sense and Nonsense in Australian History (2005)