Am I missing the point, dim, stupid whatever? Don't answer that thanks!

So can anyone throw any light on what rates or "price" or "value" qmiles are worth when shopping for duty free items?
Gold members get more?
I am silver, does that add anything?
Why do QR tempt and then not tell the truth or the real deal?
Is it SPAM, a joke, what a crazy setup?
Why on earth don't they respect their members more than just release some cobbled together idea without selling it in the real world to their loyal??????? passengers.
Seems Mr Baker likes to tell half the story to grab headlines without any substance?