Good point. I hereby amend my comment to say that this is the characteristic feature of useful (or appropriate) jargon. (So now I am making the claim that group identification is neither useful nor appropriate, which of course isn’t always true either.)
Some jargon actually isn’t much more efficient.
Those terms of jargon are probably being used for ingroup identification.
Yes, of course, in the cases that have sprung to my mind.
Good point. I hereby amend my comment to say that this is the characteristic feature of useful (or appropriate) jargon. (So now I am making the claim that group identification is neither useful nor appropriate, which of course isn’t always true either.)