No, we aren't all slaves despite how many edgy kids like to think. We can choose our job or not to work. We can decide not to pay our debts. I guarantee you if these people chose to run away or not pay they would be beaten.
You can't really choose not to work though. Ask anyone to honestly answer if they would work if they didn't have to and the answer is obvious: No one wants to work, not really. In America there are basically two choices for the majority: work or suicide