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dancingtongue I define "jargon" as either misplaced technical terms used as metaphors sometimes without knowing their real meanings (like "epicentre"); or cliches that did start as well-meant metaphors but spread like a bad cold (e.g. "thinking outside the box").
The straying scientific term can even change the meaning of the speech. "I want my country to be at the
epicentre of the Transworld Trading Agreement!" exclaims some politician. That would really mean wanting the country to be outside the TTA, excluded from helping operate it, but buffeted uncontrollably by its actions towards non-members. The correct word for the likely intention, would be "centre".
[The
epicentre of an earthquake is the innocent point of maximum disturbance on the surface from the centre, or
focus, of the subterranean rock movement that created the tremors.]
Unfortunately slang can gain such vague meanings and connotations that it can become confusing and exclusive. Sometimes it seems to mean what the user wants it to mean; but may still be meaningless to anyone else. Examples are "woke" and "rabbit holes".
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That word "comfortable" is an interesting one. I heard part of a talk on the radio about social media and freedom of speech on them, and in other areas like speeches. Among the things acting as unwitting censorship is this idea that we must not be, nor make anyone else feel, "uncomfortable".
Clearly no-one wants simply to be insulted or offended gratuitously, slandered or campaigned against (a form of bullying), and most people are polite and kind enough to try to avoid doing that. I can understand your son's explanation of his employee's policy.
There is though a danger like that of the metaphorical cotton-wool avoidance of physical hazards and discomfort rather than facing them correctly and safely. Avoiding all risk of being "uncomfortable", or of accidentally discomfiting others, over some difficult matter; means being frightened to discuss it altogether.
As I recall, my employer's Intranet avoided any such difficulty altogether by using names without titles; though it also reversed the names to surname-first, which could be accidentally amusing if your surname is an adjective like "Tough", "Small" or "Long". Yes, there was at least one of those! Or if your surname is also common as a first name - that tends to your being addressed by that as if a subordinate in the Army, when actually, the first name is appropriate.
(We used to call it your "Christian name".... Doesn't really work nowadays!)