> It also encourages slavery. Indeed, if slavery turned out to be more efficient, it would. But I think that the claim that slavery is more efficient does not

> It also encourages slavery. Indeed, if slavery turned out to be more efficient, it would. But I think that the claim that slavery is more efficient does not hold, since opressing people binds a lot of ressources; also opressed people tend to do work as minimally as possible. So it is much more efficient to give people the illusion of freedom instead of enslaving them.