There is no lessons-learned approach in BAA management. After more then 20 years of flying in and out BAA airports on daily basis I can say that every coming year operations was worst then previous.
They can not and they will not learn until they put first efficiency of operations above profit.
Four trucks cleared Runway yesterday. BAA money saved.
Hundreds flights cancelled, insurance companies will pay for. BAA money saved.
Passangers stranded? Who? What? Where?