Earlier quoted context omitted.
Not sure what you mean?
That this kind of writing "The blog ends there. No sign-off, no “thanks for reading.”" has tell-tale AI mannerisms
If you mean "the usage of that voice implies the article itself is written by LLMs" then I strongly disagree. I'd eat my shoe if an article written this well were made by today's LLMs. Doubly so for an article from a linguistics PhD who was written similar content prior to LLMs.