Of course they wouldn't be living their traditional lifestyle today, with or without colonisation they would still have access to mobile phones from China and cheap medicine from India, any country in the world today that can't afford penicillin the WHO just gives it to them for free. It's called globalisation.
Your claims aboriginals would've gone extinct without colonisation is utterly false and completely against evidence. And they're better or worse off with or without speculation judged by how much money they have is just your own opinion.
