[rbobby]

I think it may have to do with the number of options a person has to earn money. To those with few options a shitty job can feel a lot like slavery.

Taking someone to task over the technically incorrect use of the word slavery seems a bit pedantic at best.

[yibg]

Income inequality, underemployment and lack of employment opportunities are real problems. But words have meaning, and we as a species have had a pretty ugly history with slavery. Let’s not dilute the meaning of that word when there are others that are more accurate.

[morelisp]

Experience demonstrates that there may be a slavery of wages only a little less galling and crushing in its effects than chattel slavery, and this slavery of wages must go down with the other.