&quot;Coders&quot; just write instructions for computers. What use are they? Other people do the real work.<p>What do truck drivers do? <i>They just move the wheel. Other people do the real work of building the truck and designing it and telling it where to go.</i><p>What do truck dispatchers do? <i>They just tell it where to go. Other people do the real work of actually driving the thing, building it and designing it.</i><p>What do truck assemblers do? <i>They just put the thing together. Other people do the real work of driving the thing, telling it where to go and designing it.</i><p>What do truck engineers do? <i>They just design the thing. Other people do the real work of driving the thing, telling it where to go and building it.</i>