Yes. Even in economics class, analogies galore.
We bunch people into convinient terms like labour because it's easier to work with.
Till this day we have no idea how to model "labour" since people are niether cattle nor logs of wood. Nothing about their actions suggests linearity or regularity.
Lets take offshore employees. Early days it was fun. The employees offshore were cheap and not prone to complain. Yippeee. Now we find out that no, these people are earning nothing, they have to send money home and live in apartments barely bigger than a US family bathroom. Their idea of boss isn't a senior with loads of experience - boss is someone who cracks the whip and lays threats to their livelihood daily. The quality of work plummets and big corps have to hire onshore at exhorbitant consultant fees to fix the mess, which may never really get fixed because why would a consulting firm want to lose a client for being too good?