I've seen lots of exos in the tower with serving jobs like being a post person, cleaning, or being a guide.
I feel like this is the proper role for all exos as I don't think they are very adept in combat.
Whenever I see exos in the crucible I feel like I should destroy their ghost as well so I can dismantle the exo and use their parts to upgrade my weapons.
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Sigh. Those are robots that do the cleaning. It doesn't matter if Exos are good in combat or not. I'm a lvl 8 hunter exo and I rek anyone I come across. They look beast and are super boss. Are you trolling or are you trying to make a point?