The problem is that governments themselves undermine this argument by constantly expanding those limits until everyone is subject to surveillance at all times.

The problem is that governments themselves undermine this argument by constantly expanding those limits until everyone is subject to surveillance at all times. Surveillance powers that are introduced to fight terrorism or child exploitation end up in the hands of local authorities for their war against fly-tipping and dog fouling. https://www.theguardian.com/world/2016/dec/25/british-councils-used-investigatory-powers-ripa-to-secretly-spy-on-public https://www.theguardian.com/world/2016/dec/25/british-counci...