The lack of em dash usage in popular culture speaks more about typical people than it does about whether a text's author was an LLM. In fact, the average person has never even noticed—let alone considered—that the em dash exists. If they've read for 20+ years, they've seen at LEAST hundreds of them.
Imagine being an NPC (a human bot), flattering yourself with the thought that people who understand the language are language bots...
Imagine being an NPC (a human bot), flattering yourself with the thought that people who understand the language are language bots...