HashiCorp could pull it off, but I think moving everything to BSL overnight is just way too aggressive. I also don't think it's Amazon they are afraid of, but rather the other “cloud Terraform” providers (who unsurprisingly are the ones behind the fork).

For my own project [1], I'm planning on keeping the basic edition open and maybe adding an enterprise edition later on under BSL – basically like MariaDB does. I think that's the most fair model you can do right now.

[1]: https://lunni.dev/, a Docker Swarm dashboard