Are Em Dashes Really a Sign of AI Writing?

In the escalating arms race between AI models like ChatGPT and human beings trying to determine if what they’re reading was machine-generated, there is no easy or surefire way to spot the bot — or is there?

“I — keep — seeing — weird — long — dashes — in — posts,” wrote a LinkedIn user on her page several months ago. “Yes, this is the work of ChatGPT,” she claimed, without proof of the purported em dash craze, let alone the tendency for OpenAI’s bot to spit…