This is HN. We’re not typical people. Quite a few of us have been consistently and deliberately using em dashes for a long, long time. Please face it: especial

This is HN. We’re not typical people. Quite a few of us have been consistently and deliberately using em dashes for a long, long time. Please face it: especially on a site like HN, you will encounter em dashes from real humans, whether converted by some system software or typed deliberately. Em dashes are a weak signal at best. On HN, they’re a very weak signal.