The article links to the problems Star Army soldiers might have with gum and eating in public while walking, but that's only while in uniform — pretty easy for them to leave uniform when they leave Kyoto Base and do whatever they want. And without soldiers, there's only the smoking, which could work, I suppose. Big smokehouses and such that scrub the air before it leaves the building.
I think they need to be harder criminals if they're going to exist. Criminals that kill, that fight in turf wars, that inhabit cities. Maybe cities that don't get a lot of love, such as Jskita and Ternifac. Obviously they should be in Kyoto too.