The revelation by actuarial consultants Lane Clark & Peacock that 56 of the supposedly blue chip companies in the FTSE 100 index are running deficits totalling £46 billion in their defined benefit pension schemes puts the BHS story into a new perspective.

It tells us that the £571 million ‘black hole’ in the chain’s pension fund was by no means out of the ordinary — it is a small fraction of the deficits declared by the likes of BT, Tesco, BAE Systems and BP, even if it might have been mitigated by wiser decisions on the part of the scheme’s trustees and...