The man was arrested at his home in Craughwell, County Galway, on Thursday and held under Section Four of the Criminal Justice Act 1994, which contains provisions for wasting Garda (police) time and making false allegations.
However, Dr. Goldacre takes a slightly different position a bit later in the book (Bad Pharma, p. 243) in a section where he chastises the National Health Service (NHS) in the UK for wasting money by not using generics.