> Since we're at a point where many people are under-employed, and we expect many more to become so, we can probably re-institute something like this.

Call me old-fashioned but I don't think locking people in as a permanent underclass is a good idea.

And practically speaking I'm not sure how a slave society where the slaveholders have special rights to participate in democratic society is an improvement over a system where poor people have trouble participating because of their jobs or their resources but not because they don't have the right to.