I think the main point the author was trying to make is that Facebook isn't being kosher when it comes to dealing with fraudulent accounts, which isn't necessar

I think the main point the author was trying to make is that Facebook isn't being kosher when it comes to dealing with fraudulent accounts, which isn't necessarily adversely impacting the advertising side of things. My guess is that advertisers overall are happy with their FB ad campaigns, and FB is being less and less transparent with investors when it comes to user growth. Both of those scenarios could pretty easily coexist.