content: I think you're right.  I think that Facebook's problem is that it would rather pretend that NSFW content doesn't exist and isn't being shared on their network, which is just foolish.  I would rather see better tools akin to what Voat has when dealing with NSFW content and graphic footage.  Let me mark a post as NSFW when I share it to disable autoplay and hide the thumbnail.  Give users those tools and stop ignoring the problem completely.