It's definitely not going to balance out so that it becomes economical to hire people for today's low-skill jobs. Let's take a market force like peak oil. When

It's definitely not going to balance out so that it becomes economical to hire people for today's low-skill jobs. Let's take a market force like peak oil. When oil is <$5.00/gal then using a backhoe to dig ditches is the obvious choice over hiring ditch diggers. When oil is $50.00/gal then you might think twice about using a backhoe to dig ditches, and instead hire a bunch of ditch diggers for minimum wage.