Can you not have fun without big tech platforms? There is so much stuff out there to do. So many hobbies both digital and physical to entertain yourself with.

For tech things there is the open source nerds that continue to make it possible to remove the influence of our tech overlords from our lives while still making use of the hardware we already have.

For climate change there are local groups in many cities (at least in Germany) with the specific idea of creating future proof communities that will survive supply chain collapse for food, water, electricity, etc.