Interesting read: https://gist.github.com/joepie91/5a9909939e6ce7d09e29
I have been saying it for years now - a VPN service actually doesn't offer you any privacy advantages especially here in NZ.
Unless if you're connecting to the internet via a insecure WiFi network or are needing to break past restrictions on a network - there is no need to VPN all your traffic.