> …if you see an emdash it’s probably AI generated…

Or, and—hear me out—the writer typed two successive hyphens on their iDevice.

TYPE_FASTER a day ago | parent | next [-]

Microsoft Word converts dashes to emdashes if you type "<word> - <word>".

Outlook used to do this. I'm using a Mac, and Outlook on the Mac is a different animal, so Outlook on Windows may still do this conversion.

	▲	HelloMcFly a day ago \| parent [-]
		Small correction: To get an en dash in Word, type "<word> - <word>" (word space hyphen space word) followed by spacebar. To get an em dash, type "<word>--<word>" (word hyphen hyphen word) followed by spacebar.

rcarmo a day ago | parent | prev [-]

Which has been happening for over twenty years on taoofmac.com, for instance. It’s a reflex by now.