I kind of agree with this, I remember the casino Fortune Jack got negged because they consistently got these kinds of complaints even though they were able to come out of the issue clean and were able to pay out the player after a short investigation.
Although, maybe this has been resolved? If the person stopped complaining, then it might mean he has been paid already, if not the best court of action for him is to file a scam accusation, that would really put a dent on the operations of PD and their other sites if they don't react to the thread.