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 see

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.