Kenyans who provided the data for RLHF liked that style. That's the most of it. And a transformer is not an "averaging machine", it's a prediction machine.
I'll take that over an LLM that's been trained by default to the tastes of "polite" Indian English speakers, repeating back to me things like kindly do the needful and revert back.
Sounds like a world detail from Snow Crash.