Can't every company do that at any time though? How is being on the other side of an ethical line different or more risky from being on the other side of a spreadsheet-driven line. One day you're in a green cell and it's all good, the next you're in a red cell and on the other side of what they care about (just green cells).
You're describing literally every organisation you could contribute to.
And go where instead? GitHub?
host your own. Codeberg is literally based on Forgejo you can setup on your own