There's only one notification for moved posts and that's why it contains both reasons.
Once you understands that, the "or" makes more sense.
> Hmm.
If you didn't request a mod/admin to move your post, that means it was posted in the wrong sub.
That's what the notification is about.
> might want to add a auto generated message to it "A mod requested to move your post."
(post is archived)