Qantas advised to leave a minimum of 2 hours for inter island connections. We allowed almost double that. However the mechanical fault delayed us several hours, eating up any time we had originally allowed. You would have had to allow a minimum of a 5-6 hour stop over if you wanted to factor in for their delay.
I agree it was that on the website - I found the exclusions text at the bottom of the page after we returned. It doesn't say what you do actually get though. It was describes the best they have to offer in business class, then say it doesn't apply to the route. Which begs the question, what are you getting?
Also, if you click the link on the same page you pointed out called Entertainment, it describes an advanced system with hundreds of titles, telephone, etc. It makes no mention of route exclusions on that page, yet when you get on the 20+ year old plane, there is actually no personal entertainment system, let alone advanced. Flight attendants just resort to handing out DVD players to passengers. Very misleading according to the link you shared.