I think this is the most damning thing you can say in a nerd space when speaking in ignorance.
"I haven't bothered to read him, but I know more than him because I write in the real world."
Now look, none of this is meant as an attack on the celebrated works of Sir Terry Pratchett, which I’m sure are a delight, and full of humanity and warmth. Sir Terry Pratchett was not an economist and probably wasn’t thinking extensively about industrial consumer goods. Also, it’s a fictional world.