I really doubt they just happen to sound like an LLM. My guess is that they wrote in combination with LLM output, so they didn't copy/paste from a single promp

I really doubt they just happen to sound like an LLM. My guess is that they wrote in combination with LLM output, so they didn't copy/paste from a single prompt step, and did a good job of putting their own motive and ideas in the blog, but ultimately the AI tone still penetrates through