As a colloquialism, with the day entry example, using “slave labor” means that the wage is so low that the employer is paying it only defensively in order to ju

As a colloquialism, with the day entry example, using “slave labor” means that the wage is so low that the employer is paying it only defensively in order to justify _not_ being a slave master or share-cropper landlord. GP is competing with people who write as a hobby rather than a profession. Responses above are about the crass hyperbole in GP, not misunderstanding the colloquialism.