As to what is an Aborigine ? To me it is an indigenous Australian who has the interest of the future of his/her people at heart, not solely concentrating on more wrong being portrayed as making right !
A Voice should be made up of indigenous Australians only.
The Goss QLD Labor Govt. had ideas to make far North Qld the indigenous State of Australia.
Many indigenous I spoke with about this don't think it'll work but Premier Palaszczuk's Govt has been buying up Stations & handed quite a lot of land back already. So, I wonder if they're still working on that idea.

I heard a statistic that on average Aboriginal Australians get 3-5 times as much welfare as average Australians.

I can't vouch for this but it is nowhere near parity.

P.S. That aboriginal culture is 60 000 is not borne out by any facts.

shadowminister,
You heard right ! Some of the ones with integrity make good use of the generosity, many sadly blow it all & end up demanding ever more !
Compensation has to reach a point of enough one day ! The sooner that happens the sooner the recipients will muster more pride & personal & collective responsibility !
The really decent ones will come to see a dreadful history as just that, not a perpetual excuse !

The following link is informative:

http://sbs.com.au/topics/voices/culture/article/2016/12/07/heres-truth-about-free-ride-some-australians-think-indigenous-peoples-get

Regarding how old is the Australian Aboriginal culture?

All one has to do is visit any national library or any
Australian Museum and your questions can be answered
with facts. And there are plenty available for those
interested. So instead of spreading misinformation
how about being better informed? You may actually learn
something.

Well considering nobody lives more than 120 years...
There's no way to tell how long indigenous have existed on this continent, because nobody alive today was alive back then to tell us what actually happened and count all the years in between.

Science can probably give us an rough estimate
- give or take 10 or 20 thousand years,
Until they revise and say they miscalculated
"We forgot to carry the 1"