The mandate comes from us , the people, voting them into their seats.
A plebiscite or this survey don’t affect the Constitution. It’s not described in the Constitution, electoral act or refoerendum act. Therefore it’s outcome bears no legal weight.
Rau are you an Aussie? Do you understand our system of government , it’s different to the states.
A Referendum is the only legally binding poll of the people. Because it’s outcome affects the Constitution.
Do you understand how a referendum works?
The two most known would be the republic referendum and the aboriginal referendum. And to alter the constitution to add a preamble.