Wasn't there a quote from Lorne saying that as the Quintology unfolded, characters who you thought weren't that important might be far more significant in the greater scheme?
Not that Molluck isn't important as it is, but perhaps the Molluck = eventual Oddworld hero theory is in the right direction
If he's ditching the industrial customs like the restricting suit, personal embarrassment wouldn't be an issue for him. Why not go the whole hog and get some awesome robo-legs while he's at it? Playing as a psychic cyborg (psyborg? Can I coin that term?
) Glukkon turning his back on the Cartel sounds pretty awesome!