This is only natural; a great deal of the writing analyzed is by one of three authors at this point, in spite of the by-line. One of them is named Claude.
Look at the posts on this site. A massive portion of them are very obviously written by AI.
As AI gets better, I expect fewer people will do the toil of writing.
> As AI gets better, I expect fewer people will do the toil of writing.
I do it just for the love of the game
> As AI gets better, I expect fewer people will do the toil of writing.
Sure, but you can replace `writing` with `thinking`, and it would still be correct. The question is whether this is a bad thing or a good thing.