who the fuck keeps receipts for stamps?
They're charging (fining) the recipients £5 to collect the post so the people they're robbing couldn't possibly have the relevant receipt anyway.
They better have some very good evidence that the problem is not with their stamps given the decades-long saga with the Post Office (which started years before Royal Mail was sold off as a separate entity).










That has nothing to do with the quote you're responding to, about economic models that don't reflect reality. The problem is economic models built without an adequate understanding of the current monetary system.
Many trillions of words have been written about this since the crash. This is a useful short summary which links to some of them.