Because they, to pursue their own self interests, have to satisfy a certain need of a certain population (market segmentation). To do this, they must obtain the necessary factors of production, as technology, land, capital and workers.
But they don’t get those (in a free-market setting) by coercive means (like the State), they have to cooperate with the other agents of the economy, emerging the concepts of division of labor and voluntary exchange.
Indeed. And why did the designers design it? Why did the shippers ship it?
Because they, to pursue their own self interests, have to satisfy a certain need of a certain population (market segmentation). To do this, they must obtain the necessary factors of production, as technology, land, capital and workers.
But they don’t get those (in a free-market setting) by coercive means (like the State), they have to cooperate with the other agents of the economy, emerging the concepts of division of labor and voluntary exchange.