>>507113647 (OP)The behavior of abbos aside, they actually speak some pretty fascinating languages (more than 250 of them), mostly in the Northern Territory, and about 120 of them are still spoken although they're mostly endangered (there are some emerging mixed Aboriginal languages and creoles which use English). It's a hotspot of linguistic diversity (Papua New Guinea is arguably the most linguistically diverse country on Earth).
Warlpiri in particular is of great interest for theoretical linguists. It has unique sound systems, and the free word order used in its sentences, its odd way of marking subjects and objects, and especially its use of syntactically discontinuous expressions which posed major challenges to previous assumptions about the structure of grammatical phrases.
> Hale, K. Warlpiri and the grammar of non-configurational languages. Nat Lang Linguist Theory 1, 5–47 (1983).https://link.springer.com/article/10.1007/BF00210374
> Gaby, A. Rebuilding Australia's Linguistic Profile: Recent Developments in Research on Australian Aboriginal Languages. Language and Linguistics Compass, 2/1 (2008): 211–233https://compass.onlinelibrary.wiley.com/doi/full/10.1111/j.1749-818X.2007.00050.x
There are efforts going on by the Aussie government and other institutions to revitalize endangered Aboriginal languages and revive extinct ones, but like many places in the world, it's usually only a minority of indigenous enthusiasts who really care enough to learn a new language, so the future is uncertain.