Nothing New in the IPA 2016 - just makes what GCHQ has been doing for years Legal
Britain, land of the allegedly 'free', has been under the thumb of the government, albeit unknown by most, for around a century and the Investigatory Powers Act 2016 simply codified their activities.
The good thing is they can't prove knowledge - no doubt they are working on mind readers now.
Human Rights includes privacy, Human Rights is a UN Treaty the UK signed up to. Who will protect UK citizens post-Brexit?