Since this campaign doesn't care about neg trust, so it is a good chance for members with neg trust to earn some btc because most other campaigns will not let neg trust member to join.
But I would suggest to whoever without neg trust not to join unless you dont care about neg trust on your trust feedback.
That's a very bad reason. People shouldn't join this campaign because that would mean helping a scammer take innocent people's money, not to avoid negative trust.
But probably that's too much to ask, especially from people with negative trust... Anyway both reasons stand.