This reads like chatgpt.

You’re right to point this out!

The tutorial actually predates ChatGPT by quite a few years (first published in 2017). Today, I do sometimes use ChatGPT to fix grammar, but I am responsible for the content and it is always mine.

They are referring to the comment ("You're pointing out a real conceptual issue ..."), not the article.

HN guidelines say

> Don't post generated comments or AI-edited comments. HN is for conversation between humans.