Sorry, maybe I'm just missing something. But how is this not trivial? Sure, there are political issues like when people unaware of the fork submit, what happe

Sorry, maybe I'm just missing something. But how is this not trivial? Sure, there are political issues like when people unaware of the fork submit, what happens. But assuming everyone has agreed, this seems like a simple sql update. Maybe one potentially tricky issue is how to lazily copy posts that were submitted prior to a fork so that they show up in both subreddits after the fork. Is this what you're referring to?