Rudeness instantly establishes a set of norms, a set of regulatory orders, authority, and power. To be rude is to go against an established accepted concept or ordered regulation. Thus rudeness could be in kind, a deviation from the norm. Rudeness can also be in kind an instantiation outside a set foundation. A deviation from a norm holds the same set foundation as the norm, their disagreement merely a manner of degrees.
~ Dew Platt