Open Rights Group generally have campaigns and actions you can take. Most the average person can do is raise awareness and write hopeful letters to MPs. https://www.openrightsgroup.org/
Not quite sure what a "new VPN architecture" means. As long as it's not new protocols, security is not something you should usually re-invent yourself. Hopefully these new aspects are open source too.
That's where a good bus network would help and infrastructure built less around cars would make shorter distances more likely for other means like cycling/walking.
Open Rights Group generally have campaigns and actions you can take. Most the average person can do is raise awareness and write hopeful letters to MPs. https://www.openrightsgroup.org/