You are a fool if you really think that the linked text is human written. I interact with LLMs basically daily, it's incredibly easy to spot their default styles. And, honestly, you should trust Pangram over me.
Ooh, you interact with them basically daily! Amazing! Tell us more, we long term residents of a technology news forum are ignorant of such wonders. We know nothing of 'gradient descent' or the 'vibe coding' that travelers speak of.
"AI Writing Detectors" are absolutely full of false positives, as anyone working in education or related fields can attest.