Some of them must be lead-swingers trying it on. Mainly the ones from Merseyside. Look at the evidence. Family fancies holiday in Florida. Readers cough up cash.
Family gets bucketload of dosh.
Family has holiday in Florida. Little Jimmy swims with the dolphins and is miraculously cured. A result all round, I'd say. Perhaps Mr Blunkett would like to investigate this phenomenon as part of his benefit cheats purge.