[quote=NacNak]
I can guess why, possibly they'd have nothing of value or nothing at all >X3*overly serous look* ...... or maybe they have epic items that could only be found deep inside dungeons full of super monsters, and the second you try to pickpocket them they go super saiyan and destroy you.... *slowly looks down dramatically* ....
[/quote]

Or it could be like Log Horizon in when you cause trouble in the city, you basically get taken away. Insta death.