The author's writing is wildly different pre-AI.
I would be a huge friend of introducing a new rule on the Hacker News that whoever accuses others of using AI and cannot support his accusation by something substantial, gets permabanned.
Every single post made prior to ChatGPT has a very strong irreverent sense of humour as well as specific Chinese-English phrases. If you speak to Chinese migrants/colleagues/suppliers you'll recognise it immediately:
https://wangcong.org/2009/04/09/got-a-new-job/
https://wangcong.org/2019-03-14-how-to-pretend-to-be-a-linux...
https://wangcong.org/2008/12/25/when-i-was-in-portugal/
Then magically, every single post after the invention of LLMs happens to be structured exactly like the dominant LLM style of the era:
https://wangcong.org/2025-02-27-ebpf-trend-analysis.html
https://wangcong.org/2026-01-13-personal-taste-is-the-moat.h...
https://wangcong.org/2026-06-30-why-i-stopped-arguing-with-p...
Too bad you and most HN commenters nowadays can't...