Simple short answer: No
More detailed answer: Hell No
Ecomony fares vary. Business class on this in demand route are more fixed. Lots of $$ in WA so they can afford to pay.

Do you have any ff miles/points/avios that can be used on QF or VA?

Airlines that fly in Australia domestically. Excludes some small operators
- Airnorth TL Regional airline in northern central Australia
- Alliance Airlines QQ Regional airline. Tailored aircraft charters for the resource industry.
- Jetstar JQ (a low cost carrier with low-medium-high priced fares owned by QF)
- Regional Express Airways (REX) ZL Regional airline
- Tiger Airways TT (a low cost carrier with low fares part owned by Virgin Australia)
- Qantas QF [OneWorld Alliance]
- Virgin Australia VA (Delta & AC* partner) *= some routes