Really? Is this the thread you followed? This is their official thread: ~
If so, seems they got red tag at the next day's made announcement thread. ~
Actually they were in the forum without any negative tag for almost 26 days. They had another ANN thread before, but they created the self-moderated thread to continue their scam attempt. And they received the negative trust after creating the self-moderated thread when many forum member observed their activity. I think OP has tried this bookie by watching their first ANN thread. 4444sport old ANN thread is still available in archival:
See here