Don't miss the paragraph about outsourcing some moderation to Accenture. Including giving these contractors access to people's private Messenger messages. "This broad access resulted in workers spying on romantic partners and other privacy violations, according to current and former Accenture employees."
Is this any different from Craigslist, Kijiji, or eBay? Stopping low level fraud is very much an unsolved problem, especially since (at least in Canada), it seems like police have given up.
We are basically pestering Facebook to fix something government has made no progress in fixing.