She could see she was losing the debate, so she switched to an ad hominem argument.
The Boss knew all about the so-called fallacy of the argumentum ad hominem.
Robert Penn Warren -- All the King’s Men
It was filled with ad hominem insults.
Nelson Mandela -- Long Walk to Freedom
"By advantage taken of one in fault, in dire peril, and at thy mercy, thou hast seized goods worth above thirteenpence ha’penny, paying but a trifle for the same; and this, in the eye of the law, is constructive barratry, misprision of treason, malfeasance in office, ad hominem expurgatis in statu quo—and the penalty is death by the halter, without ransom, commutation, or benefit of clergy."