>>>how is copying different from "copying" and what's the other meaning of copying, you know, the meaning it takes when spoken with a wink. Ditto for backup vs "backup".
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>Agree quotation marks should not be used just for emphasis. Use asterisks. ;-) But I do use quotation marks for irony or to highlight misuse of a word, especially to avoid the dated (sic).
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>I think "copying" might be used when somebody insists they "copied" from elsewhere when in fact they've paraphrased/twisted to fit their own narrative. "Backup" might be used if somebody "backs up" onto the same hard drive or machine and loses both copies. If that's what you mean by "with a wink" then that's definitely a viable use.

Yup, both times exactly the meaning I get when I read them with quotes. Not quite sure that folks who use quotes actually mean it that way and even less sure whether they are aware how people read it.