That is because he knows he is on thin ice after doxing and reporting OGNasty to the IRS. The only thing that ever keeps Vod in check is the community penalizing him for going too far. If this negative reinforcement wasn't there he would be lording over as many people as he could manage with his obsessive malignant abuse. This is demonstrated by the fact any time he goes too far, he says he is sorry, hides for a week or two, then returns and repeats the same abusive behavior again once the pressure on him has died down. He has no ability for self regulation, the only regulation he responds to is the kind where he suffers repercussions.