The usual counterargument is that the worker agreed to exchange their labor for a price so it's "fair" and therefore not exploitation, which is obviously juveni

The usual counterargument is that the worker agreed to exchange their labor for a price so it's "fair" and therefore not exploitation, which is obviously juvenile. I appreciate that you at least go beyond that simplistic platitude, but it seems equally shortsighted if not ridiculous to get caught up about what qualifies as "full use" of a human being, which is probably why most people just stop before going there. You didn't even mention the wage! I have to ask: would a slave that never works beyond 40 hours/week be considered exploited?