Civil rights organizations have launched a campaign encouraging advertisers to stop running ads on Facebook this month because the social media giant isn't doing enough to stop hate speech. On both sides of the aisle, it's been suggested that Facebook would behave more responsibly if it were subject to legal liability by removing the immunity for tech companies provided under the Communications Decency Act. We don't address these discussions here, but we're asking Facebook to comply with the minimal standards it has set for itself by prohibiting a dangerous category of content permeating its social media platforms (including Instagram): Holocaust denial.