[groby_b]

And they should fail. Promotion of slavery is offensive.

[dsfyu404ed]

But it may not be considered direct "promotion of slavery" in a particular locale and/or may be subtle enough within the thing matter being examined as not to flip the bit from acceptable to offensive.

[anonLFrater]

This wouldn't necessarily fail because someone might actually be looking for images of the Confederate flag.

[NicoJuicy]

Boring good paid work is not slavery