The website's About page says, "What I’ve read, what I’ve learned." So I guess they're technically telling users the articles aren't actually written by the blog's owner? Of course the blog owner includes Google Ads on articles taken from other sites without attribution.
At least the recent articles at least have the courtesy to link to their original sources. The latest article from 9 days ago (https://www.sobyte.net/post/2023-08/gonew/) is a translated version of https://tonybai.com/2023/08/11/introduction-to-the-gonew-too... (from a different author) and shares the same snippets, though this article includes the original article's URL at the bottom (in a non-clickable code block to avoid sharing SEO reputation I guess?).
EDIT: The stolen content was actually noticed last time sobyte.net showed up on HN (https://news.ycombinator.com/item?id=32456336), but that user did not investigate to find that multiple articles were all translated without attribution.