Privacy is a fundamental human right, and it's needed to fight unjust laws and practice civil disobedience in a safe and comfortable way.
If we had today's surveillance capabilities in the 70's, it would have been impossible for the LGBTQ community to achieve the societal acceptance they now have!
We need a fully open-source hardware ecosystem (with downloadable component blueprints, 3D-printing machines and local co-ops or gumtree-like marketplaces for obtaining free hardware), to bring much-needed democratisation to our society like the Internet did at the software / information access level.
We need a Linux of hardware.