A software engineer can’t produce any productive work unless a slave-labourer digs out the rare metals for the chip and a whole host of people work to keep the

A software engineer can’t produce any productive work unless a slave-labourer digs out the rare metals for the chip and a whole host of people work to keep the electricity grid running. Who is more productive? Everyone is, even the people who use shovels to dig the earth, because the effect of their labour is magnified downstream.