Why would you consider the aborigines the weak link and why should they be rehabilitated? They were the first inhabitants of Australia and its surrounding islands.
What is going on is racial and ethnic stereotyping. An ethnic stereotype is a generalized representation of an ethnic group, composed of what are thought to be typical characteristics of members of the group. The use of ethnic stereotypes is considered demeaning even when the characteristics might be considered positive because it tends to discount the importance and uniqueness of the individual.
Racial stereotyping has been going on as long as man has existed. Every country has done this and it is still going on. When we as educated people learn to except others for who they are and not base what we think of them based on color, race creed, religion or ethnic background, the sooner we can all live in peace.