Nowadays people would probably just use GPT prompts and rephrase to obscure identity. Good luck reversing the output to deduce the style of the author's original input.

Until OpenAI's logs get hacked and leaked ...

I am quite confident that Satoshi Nakomoto was an Australian bloke(s) living in Japan when he/they/their wrote the Bitcoin Whitepaper. The code itself does suggest it was one person, but I still think it was a few people with one at the helm.

Likely. I can't find it now, but there was an HN story not long ago where someone used fairly rudimentary techniques to identify former/alt HN accounts based on stylometric similarity. It worked VERY well.

If I were going to post from a throwaway account for some reason, I would probably launder it through an intermediate language on Google Translate for one or two cycles. Otherwise, if I didn't bother with that, I'd certainly scatter some intentional errors here and there that I don't usually make.

>there was an HN story not long ago where someone used fairly rudimentary techniques to identify former/alt HN accounts

https://news.ycombinator.com/item?id=33755016