We are all born rude. No infant has ever appeared yet with the grace to understand how inconsiderate it is to disturb others in the middle of the night.
Humor, Children, Babies
The rationale that etiquette should be eschewed because it fosters inequality does not ring true in a society that openly admits to a feverish interest in the comparative status-conveying qualities of sneakers. Manners are available to all, for free.
Society, Manners, Etiquette