The initial thread is deleted, so OP can also remove the link.
And I've also supported the flag.
I have to say, scammer is most intelligent, because he is posting where red tag and flag not visible. And using different gamble site names. That's why I think feedback should visible every board even for guests. Who know perhaps some newbies greedy users would fall in that trap.
And he's also good on triggering the greed. "The only downside of this method is that you can use it only once" he tells. Obviously the scammed newbies will not try it twice.