Since we can equip only 2 exotics, wouldn't it be cool to use 2 exotic armor pieces or 2 weapons? Instead of being locked to 1 weapon and 1 armor you could use helm and gloves or primary and heavy or any other combos. People would end up looking more different in the loadouts they use.
EDIT: please explain why you like or dislike
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2+ for PVE should be allowed. Now for PvP it could be kept the same.