My thought also: tribes and tribal survival in a harsh land? certainly.
Civilization?
A very long time ago in a]college anthropology classes I was taught that ‘civilization’ meant that a culture had grown to the point of establishing cities. Aborigines may well be the oldest continuous culture on earth. More power to them! But they never got to the stage of agriculture and cities. Unless, of course, we have redefined ‘civilization’ to include any group of people, since all cultures are equal.
Sailing travelers from Indonesia introduced the bow and arrow to Australia over ten thousand years ago.
The abos couldn’t figure them out, and never adopted them.