Aboriginal practices should not be romanticized. There is evidence that it actually had severe environmental impacts, in particular shortening Australia's monsoon season and lengthen the dry season: https://www.sciencemag.org/news/2011/06/did-australian-abori.... There is also evidence that they caused the extinction of the Australian megafauna: https://phys.org/news/2017-01-humans-climate-australian-mega....