We all knew that creating/adopting centralized communication platforms ("Web 2.0") was going to end badly, but that was where the money (temporarily) was. Now that they've taken over our culture, it's not surprising that every small time censor is showing up with their demands.
(Also, as we're going through an $ideology-scare, a disclaimer: I'm not criticizing the ultimate goal of anti-discrimination housing laws, nor even HUD for going after Faceboot here - but really pointing out the utterly predictable no-win situation these centralizing companies have created for themselves)
The communication middlemen make their profits by being scalable - surveilling users for a few bucks each doesn't add up to much otherwise. Policing speech is not scalable - hence now trying to bolt on the bare minimum after the fact using low paid workers.
(Also, as we're going through an $ideology-scare, a disclaimer: I'm not criticizing the ultimate goal of anti-discrimination housing laws, nor even HUD for going after Faceboot here - but really pointing out the utterly predictable no-win situation these centralizing companies have created for themselves)