Is this em dash thing some kind of joke? Or have people not notice that software (eg, iPhone keyboards) automatically insert the dashes when you type two hyphens in a row? (To type `--` and not `—` I had to type `- -` and then delete the space.)
I'm curious if the trend was similar across all subreddits with a broader set of topics.
Personally, I can't stand such anti-features, and smartphone OSes seem to be full of them. Which is another reason besides the giant privacy invasion why some weird people (like me) don't use them or are aware of every new feature.