It is not rude to turn off your telephone by switching it on to an answering machine, which is cheaper and less disruptive than ripping it out of the wall. Those who are offended because they cannot always get through when they seek, at their own convenience, to barge in on people are suffering from a rude expectation.
Judith MartinThe challenge of manners is not so much to be nice to someone whose favor and/or person you covet (although more people need to be reminded of that necessity than one would suppose) as to be exposed to the bad manners of others without imitating them.
Judith MartinWhamming someone smaller than oneself in order to teach that person civilized behavior is not within Miss Manners' concept of propriety, much less logic.
Judith MartinEmail is very informal, a memo. But I find that not signing off or not having a salutation bothers me.
Judith MartinOne reason that the task of inventing manners is so difficult is that etiquette is folk custom, and people have emotional ties to the forms of their youth. That is why there is such hostility between generations in times of rapid change; their manners being different, each feels affronted by the other, taking even the most surface choices for challenges.
Judith Martin