It raises so many issues, from data security, to misuse of super injunctions, to the whereabouts and safety of the individuals, to the extent of our ongoing responsibility towards them verses our own national security concerns. I would hazard a guess that a lack of reliable record keeping and a tendency to have multiple and similar names will make many of these people impair led to identify reliably.
Do I think lessons will be learnt? No. Do I think anyone sufficiently senior will be sacked? No. Do I think the taxpayer will pick up the bill when already struggling, yes.