exactly! that microtask could've been created/paid by its competitors
this is a very devious, sometimes more effective, way to take down your rival
maybe it's true that the ANN OP might have something to do with it, but we need to find proof
I hope no competitor will do this now because the forum staff does not care about such cases or is not in position to confirm the abuse as it is outside the forum. And in such a case, who would like to pay to give free bumps (more exposure) to their campaigns.