+ in your blocked accounts list, you can't search for their profile and you can't unblock them manually. This means if someone is accidentally or incorrectly added to a moderation list that you're subscribed to, their profile will be completely hidden from you and the only way to unblock them is +

+ to unsubscribe from the list. I would recommend only muting accounts from the moderation lists, as one nice thing about this is their account will be flagged on their profile, showing you that they've been muted from this list. You can then manually block them. It's not a perfect solution +