And where do you think AIs learned to use em dashes? Anyone who knows a modicum of typography uses em dashes. There’s a reason devices like iOS automatically convert double hyphens to em dashes (or straight quotes to curly quotes).
Only young people who grew up texting and eliding standard punctuation find em dashes unfamiliar.
Only young people who grew up texting and eliding standard punctuation find em dashes unfamiliar.