Pretty much as soon as people started using generative AI to write content, people began sharing ways to "spot" it. At first, I appreciated the effort. But very quickly, it started to feel like McCarthyism — with people accusing others of using AI at the first sight of an em dash (supposedly the tell-tale sign something was written by robot). This article explores the appropriate use of an em dash and why you shouldn't scrape it from your content to avoid AI allegations.