^This^ would be amazing… Sadly never seen one around. Even just a watchlist of unreliables: time-wasters / dodgy scammers to avoid would be great. The forums used to offer this once actually… There was a long running thread that offered tips about finding / screening people. But guess Epic decided to nuke it. Who knows, maybe you can still find it on Web-Archive or Google-cache or something like that… Don’t recall exact thread title, but wait here’s something:
