> have popularized it
It's hated by everyone, why would people imitate it? You're inventing a rationale that either doesn't exist or would be stupider than the alternative. The obvious answer here it they just used an LLM.
> and clearly it serves some benefit to readers.
What?
Then why does every vibe-coded "Show HN" app have it in README.md? Surely authors would edit it out if it was true that everyone hates it.
> It's hated by everyone, why would people imitate it?
It could be involuntary. People often adopt the verbal tics of the content they read and the people they talk with.