Tax ‘em instead. No choice, and you’d come closer to making the tech giants pay for the value they get from open source.
The El Reg article, in case you missed it: https://www.theregister.com/2022/01/14/google_says_open_source_software/
Ceejbot's mastodon instance. This is an overprovisioned, personally-run instance running on AWS. I welcome friends to create accounts here. I intend to run it as long as people are using it.