It's a contrast to the picture painted by Australian Information Commissioner Professor John McMillan in recent speeches and articles. While Professor McMillan is right to point out that overall, the "development of open government over the past thirty years in Australia — and over the past couple of years in particular — is an enormous success story", the AFR throws some light on a dark corner. I'd be amazed if this is the only agency with one. (Update-I didn't know at the time about information emerging concerning the immigration department.)
Patrick concludes that FOI exemptions were abused.