>> Urbanization fundamentally has been engineered to create "wage slaves"

> Suppose someone was born out in the forest, and there were no cities, no societies, no technology. Would you call that person a sustenance slave? Would you say that their foraging was involuntary?

No, they are not a slave because they have no master except nature.

A wage slave has at least one master: his boss and the system that forces him to work for one.