The protocols already exist. Deploy an I2P router for an effective darknet on the internet, or set up Yggdrasil for a next-generation decentralized & private internet alternative.

An even easier start, just set up unfiltered encrypted DNS on your devices. E.g. Njalla DNS or Mullvad DNS. Or get a good VPN such as Mullvad.

At the same time, keep voting for privacy. And send letters to your politicians!