> Does society benefit anything from those roles? Till we invent machines that can replace construction workers yes we really do need those jobs still. Even if

> Does society benefit anything from those roles? Till we invent machines that can replace construction workers yes we really do need those jobs still. Even if some of them looked like they were doing nothing of importance, I am sure they have periods were they are fully engaged in hard work (too hard I think) otherwise no one would pay them.