I think he technically owns the copyright, so he can choose the license
Does nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6 have proprietary ownership of #Nostr? In the sense that he has a legal claim to it in any way? #asknostr
Discussion
The repositories are all marked as "In public domain" so there shouldn't be any way to enforce anything related to copyright on anything done to the protocol thus far?