Unless I missed something (and I just rechecked) there's nothing in the guidelines about comments having to be on the topic of the submission. IMO it enriches

Unless I missed something (and I just rechecked) there's nothing in the guidelines about comments having to be on the topic of the submission. IMO it enriches HN comment sections to allow for people to bring up adjacent topics, things that came to mind or funky little "this reminds me of..." anecdotes.