If this route offers a discount on securing a business class seat (i.e. cheaper to buy economy + upgrade than buy business outright), then this will hugely diminishes the value of maintaining Platinum & Gold status, if anyone willing to pay can jump to top of upgrade queue. Even if its n...

I don't really understand the relevance of a Qantas (quntum?) criticism here. 

In this thread - people who grumble about Qantas not anything for customers grumbling about them not doing enough for customers.