Earlier quoted context omitted.
I’m sorry that this is your world view, because it is deeply flawed and focusing on such cynicism leads to depression. Most of HN lives in a tech bubble where everyone is focused on building semi-useless software like you describe. However the majority of society still does “normal” things like construction, manufacturing, sales, etc. and some sort of fundamental reorganizing of society on non-market principles doesn…
Since money represent human work and earth ressources, both finite, yes, when you make money, somebody becomes poorer. Because the total amount of human work and resources and the actual leverage they got on the world becomes diluted.
For example (and bear with me, because this is incredibly hard to believe) it is more efficient in terms of amount of food collected per hour to use a farming machine over a field of wheat than it is to chase a guanaco or some other rabbit with a bow.