The pejorative term 'political correctness' was adapted to express disapproval of the enlargement of etiquette to cover all people, in spite of this being a principle to which all Americans claim to subscribe
Parents should conduct their arguments in quiet, respectful tones, but in a foreign language. You'd be surprised what an inducement that is to the education of children.
What restricts the use of the word 'lady' among the courteous is that it is intended to set a woman apart from ordinary humanity, and in the working world that is not a help, as women have discovered in many bitter ways
Most people who work at home find they do not have the benefit of receptionists who serve as personal guards.