It's the perfect told-you-so.
If anyone wanted an illustration of how we are losing fundamental rights, then Westpac's handing over of Nicky Hager's banking records to the police without a warrant is textbook.
Police wanted the information to try and find computer hacker Rawshark, who stole emails to the WhaleOil blog site. Westpac obliged but happily, Air New Zealand, Jetstar, Spark, TradeMe and Vodafone declined.
Legally there does seem to be some room for Westpac to hand over the information without a court sanction. The grounds in the Privacy Act cite reasonable grounds for releasing personal inform if it would help "maintenance of the law."
However because it's not clear, erring on the side of caution and not giving up a customer's private data would have been a better stance for the bank to take. Mr Hager has so far just used the material from the stolen emails and has not yet been charged with any crime.