It's implicit. Amazon has billions of dollars because customers freely handed over the money. We know they found the service valuable because they wouldn't have done so otherwise.
The poster is suggesting there is some _true_ value separate from what these customers who know their own situations best think. That they are secretly being fleeced and a central planner will somehow better allocate the resources.
"The ultra-wealthy should have less power" != "We should implement a five-year plan for our command economy as thought up by glorious and correct Party."
The poster is suggesting there is some _true_ value separate from what these customers who know their own situations best think. That they are secretly being fleeced and a central planner will somehow better allocate the resources.