She surrounds herself with the type of weak people whose reactions to the world at large are driven by fear. People are afraid of her power and her temper - her visciousness. She's a predator. No one has ever just flat out taken her outside and beaten her badly. That's what she needs
The witch finally confronted an alpha male and he beat her and humiliated her - which she completely deserved.
It probably would have been good for her if someone had done what you said a long time ago...taken her outside and beaten her up. She would have learned that treating people the way she does has bad results.