Okay, I admit, I RTFA, and the crater in question has been dated as millions of years old, long before *anyone* claims humans capable of cultural transmission visited Australia.
According to the article, the author himself thinks that the aboriginal Australians were sophisticated enough to recognize impact craters on the landscape, and what might have caused them, and concoct legends about falling objects to explain them.
With all due respect to the parent post, the Indigenous Australians may have great knowledge that has been dismissed by their Western colonizers, but this is not evidence of such.
Love may laugh at locksmiths, but he has a profound respect for money bags. -- Sidney Paternoster, "The Folly of the Wise"