A campaign with no escrow, A campaign managed by newbie, A campaign which was previously accused for scamming with customer's funds, A campaign thread which is self-moderated with 1 post deleted. 
If there is a open scam accusation against a company and if the previous campaign was closed for the reason, then participants shouldn't just throw their hat into the campaign even how higher they pay. Spammers and people who are not well aware of the accusations have applied for the campaign and they should be warned for that through PM. Duckdice campaign was subjected to a similar situation and people were warned and had a 48 hour time limit to remove their signatures.
If there is a open scam accusation against a company and if the previous campaign was closed for the reason, then participants shouldn't just throw their hat into the campaign even how higher they pay. Spammers and people who are not well aware of the accusations have applied for the campaign and they should be warned for that through PM. Duckdice campaign was subjected to a similar situation and people were warned and had a 48 hour time limit to remove their signatures.