Care to share what was the reason for the decision?
But I think they gave you a clue in the post they made earlier on
We feel that it is now time for us to forward our marketing efforts to the new areas.
Also
- We reserve the right to modify/add campaign rules, change pay rate, accept/deny posts, remove/accept participants, and stop the campaign at any time for any reason. We are not obliged to explain any decision taken by our team.
So I believe we should let them be. Not may can manage to go on for 4.5 consistently.