ESO already has a type of rep currency for PvP with telvar stones and alliance points. Too many people are hitting CP cap with nothing to do besides an endless grind battling rng for gear. If there was a rep system to spend on gear sets for the zone your in, or other things, it would add a lot to end game for more casual players that aren't into trials or PvP. And of course Maelstrom needs some kind of rep system attached to it too