I am of the mind that tags for Outcasts and Dread Pirates ought to be wholly removed.
The reason for why I think this is because I believe both have contributed in part to a gamification of the server, and it stymies roleplay that would otherwise exist around investigation and discovery.
A settlement that I'll not mention the name of recently forbade outcasts, and I was unable to get a satisfactory answer as to why in character, or even what an 'outcast' is. Why would any city know about, let alone care, about something a player character did on a country in the mainland or in the island's distant past? Is there some sort of universal brand that all these various cultures use to identify the especially bad ones? People are described as being outcasts, and yet others are unable to describe what crimes they've committed either here or elsewhere... because they do not know, and because they do not know, it's less about what they did and more that they're on the other team.
If they're affiliated with Andunor, why can't they simply be known for that? If they're necromancers who animate the dead, why cannot they be known for that? Neither of those things require a tag, because they can be discovered through observation of the character in question or through investigation.
The same can honestly be said of Dread Pirates. Why have the tattoos visible to non-pirates? Why have the tag visible to all? How can everybody just recognize these obscure Eastern Promises-style pirate tattoos, no matter who they are and where they came from? How does one identify pirates? I don't know, how about you look at those who are on-board a pirate ship and going around, sinking people?
Having these tags only serve to discourage investigation of bad guys, and so we rush instead to PvP, going down a checklist to see who are acceptable targets instead of trying to learn who is a bad guy and what they've done before they're taken down. The build-up to PvP is important. The roleplay leading up to PvP is important. If everyone is walking around with a visible badge that signals to some they're open season? Well, that's no longer a fight of Good vs. Evil, it's just Alliance vs. Horde.