Unless you're willing to host vibe-coded projects, you're for sure opting out of society. It says so right on the second page of the social contract.
On the other hand, stealing all intellectual works ever created without compensating the authors, building a plagiarism machine and then selling access to the stolen knowledge? Now that's participating in society.
I don't know, should they? Unless I've missed something, Codeberg haven't mentioned anything like this. You seem to be the only one bringing this strange idea up. So why are you asking me?
You might have a point if Codeberg banned any and all AI-generated code, but they're not doing that. So why are you expecting them to follow your maximalist caricature of their principles?
This complaint follows the same logic as "You want companies to emit less CO2, yet you keep breathing". Sure, if you remove all nuance from a topic other people's decisions often make little sense - but that doesn't indicate a problem with their position.
On the other hand, stealing all intellectual works ever created without compensating the authors, building a plagiarism machine and then selling access to the stolen knowledge? Now that's participating in society.