the.com/impoliteness
Manners thrown out the window, often with the window still open.
means The quality of behaving rudely or disrespectfully, ignoring the social rules that keep humans bearable to each other.
from From Latin politus, meaning polished or refined; the prefix im- strips that shine away, leaving the unpolished human underneath.
Same rootPolite and polish share that buffed Latin origin.
Studied seriouslyLinguists research impoliteness as a real field.
Culture-boundRude in one country, normal next door.