Earlier quoted context omitted.
Even if that is true, that does not make the forced migration and continued subjugation of slaves in the American South through the 19th century any less deplorable. Slavery is slavery. Your implicit acceptance of the "lesser of two evils" for something as serious as slavery is disturbing. We aren't even talking about the "hidden" conditions of working poor in foreign countries, we are talking about institutions that…
>disturbing Be disturbed then. It's possible, and in my view necessary, to rationally compare two non-optimal alternatives, even if an even better alternative is both possible and probable. As Aristotle allegedly said, "It is the mark of an educated mind to be able to entertain a thought without accepting it." And discussing a concept doesn't imply accepting/endorsing it.
...while we are quoting Aristotle:
"Since then some men are slaves by nature, and others are freemen, it is clear that where slavery is advantageous to any one, then it is just to make him a slave." [0]
Clearly "entertaining thoughts without accepting them" isn't enough on it's own to lead to sound, just and fair policy-making or historical narratives.
[0] http://www.gutenberg.org/files/6762/6762-h/6762-h.htm#link2H...