My opinion is Sol or Fable could absolutely "finish" Hurd (whatever the definition of "finished" is), but it would be difficult to review and understand everyth

My opinion is Sol or Fable could absolutely "finish" Hurd (whatever the definition of "finished" is), but it would be difficult to review and understand everything it did, nobody would trust it, people would raise copyright concerns, doing so would violate all sorts of GNU cultural norms, and it would sit in a repo unused.