A bigger question I'm interested in is why do LLMs speak like that in the first place? Is that really what you get if you took the average of the English language? It would be difficult for me to believe that.
Is there something about tuning for desirable qualities that forces LLMs to have this voice?
It wouldn't surprise me if it takes more effort to be succinct. There's some famous quote from I think Mark Twain "this letter would have been shorter but I ran out of time". Just my guess
And The New Yorker - writing that is written to sound impressive, and takes forever to get to the point. I hated that kind of writing in The New Yorker long before LLMs made it cool to hate that.
Is there something about tuning for desirable qualities that forces LLMs to have this voice?