Because if you pay any attention to twits,jackals, gnats, troublemakers you embolden them by acknowledging them. Better to ignore or the bore/boor(s) gets strengthened from the attention. She cannot undo what she did. Now she and we will suffer the consequences. She just gave him what he desires beyond all else. Attention. Bad thing to do. Condolences to her. SIGH.I wish she could do a do-over.