Yep. I think the manager campaign must give punishment to those who try to cheat or spam
The campaign manage is very strict in accepting participants, So you have nothing to worry about spamming.
All participants are posting 2 to 3 lines and constructive.
This will gain more attention to the project.
Yes, they are very strict to the participants in their signature campaign but they give a very very good amount of bitcoins they pay in their workers.