A woman whose emotionally aggressive ex-partner abandoned her — leaving her liable for all household bills including a shared O2 family phone plan — spent four weeks trying to remove his and his children's numbers from her account. O2's only process required a joint conference call with the ex, or an in-person meeting. The company had domestic abuse safeguards on the books. It did not offer them. The customer flagged her situation through O2's own form for difficult family circumstances. She was told she did not qualify. She then met her ex in a public park — a man who does not know her current address — and spent an hour on the phone with O2. Two of three numbers transferred. The third did not. O2's next move: meet him again, or pay his outstanding bills and a £164 early termination fee. Telecoms companies in the UK operate under a regulatory duty of care to vulnerable customers. O2 almost certainly breached it. The company's own statement confirms it has "a range of policies to protect and support customers who have been victims of domestic abuse, ensuring they can safely disconnect unwanted numbers without having to meet an ex-partner in person." None of these were offered. The company called it inaccurate support. The Guardian's Consumer Champions column intervened. Within hours, O2 did what it had failed to do in weeks: served a disconnection notice giving the ex seven days to transfer his number to a new account, cancelled the £164 charge, and offered £200 compensation. The customer considers the compensation inadequate given the anguish and expense. This is a textbook extraction pattern. The cost of O2's process failure — emotional risk, financial burden, time — was borne entirely by the vulnerable party. The ex-partner faced zero consequences and arguably benefited from the friction, which kept his phone active on someone else's account. O2's systems were designed around bilateral consent, a reasonable default that becomes a weapon in abusive relationships. The resolution mechanism is the real story. Not a regulator. Not an ombudsman. Not O2's own escalation pathways. A newspaper column. The company's press office accomplished in hours what its customer service could not in four weeks. This means the duty of care is functionally unenforceable for anyone without media access. O2 is not uniquely bad here. Shared-account architectures across telecoms, utilities, and financial services all assume cooperative parties. When one party is abusive, the system becomes an extraction tool. The question is whether regulators will mandate automatic safeguards — unilateral disconnection rights, abuse-flagged fast-track processes — or continue relying on policies that exist in press statements but not in call centres.