If it cites em dashes as proof, it came from a tool Posted by supriyo-biswas on Wednesday July 16, 2025 @02:56AM from the scottsmitelli.com dept. https://www.scottsmitelli.com/articles/em-dash-tool/ ( 2 comments | on HN )
Yes, anyone could write an em dash if they wanted to. Few people did, because to most it was additional effort without making a difference.
If in a random text in a situation where em dashes were hardly used before, they are suddenly used everywhere, something is fishy.