by definition the survey is of random punters and in this case it completed through an internet based survey or people who engaged with the 2017 clipsal. It was quite intense and asked people what the thought of each of the support categories and a number of other event related things both general and focused.
However why do you care if aust Gt start at Adelaide or Melbourne or some other track. the Audi R8 cup will be great to watch, close racing, allowing the best of Australia to compete against professional (including an ex F1 driver) and amateur drivers from overseas while attracting an Asian audience to the event. surely thats all that should matter.
And why didnt the Australian Audi teams travel to NZ on the weekend, the cars were ready