The oil is laboring as well, even though its labor isn't directly productive. It is doing work that supports production of engine power. Finance is an unsavory

The oil is laboring as well, even though its labor isn't directly productive. It is doing work that supports production of engine power. Finance is an unsavory backseat passenger that demands to be cooled by a fan taking a huge amount of HP from the engine, claiming that the car wouldn't move anywhere without him/her and the parasitic fan.