Same here. I recently learned it was an LLM thing, and I've been using them forever.
Also relevant: https://news.ycombinator.com/item?id=45226150
Also relevant: https://news.ycombinator.com/item?id=45226150
Many other HN contributors have, too. Here’s the pre-ChatGPT em dash leaderboard:
https://www.gally.net/miscellaneous/hn-em-dash-user-leaderbo...
Same for ; "" vs '', ex, eg, fe, etc. and so many more.
I like em all, but I'm crazy.
Interesting, I have never encountered this initialism in the wild, to my recollection: https://en.wiktionary.org/wiki/f.e.#English