It does result in economies of scale and higher efficiency when there are a number of specialised cleaning or security or whatever companies serving customers compared to when every steel mill or fire station have their own guards or janitors.

I didn't talk about equality or labor conditions. That's something for labor unions and politicians to deal with.

But I really, really dislike the word "wage slave" except when used in jest. There are still real slaves around you know, and they don't get any wages. Even crappy jobs are real jobs, not slavery.

Peak oil is not an energy crisis. It is a liquid fuel crisis.