"...Anyway, the scientist type, in his pontification, seemed to believe that if one person comes from another then it is owned by the progenitor which somehow has a right to oppress it. Even parents don't have the right to do that, at least after birth, and people don't have a right to own slaves no matter where they come from..." This is the central unfairness lurking at the heart of cloning...
If I clone myself I get a lazy, willful SOB who will ignore my commands...
And, being younger, be able to whip my ass in a fight...
Where do I go to get MY slave?