Odd, I see them used all the time, and I’m neither. So I guess either my experience is an outlier, everyone I talk to is secretly an LLM, or maybe the meme is pushing an easy conclusion because people in general are bad at picking up on LLM responses and want an easy punctuation mark so they don’t have to think.
It's convenient for a lot of things. Curly quotes, specialized dashes, mathematical symbols or Greek letters used in math/science, foreign currencies, things like paragraph symbols (¶) or section symbols (§), etc.