Yes but if I am aware enough of the current landscape on the web to put a "written by a human" disclaimer, I am also aware enough of the fact that current em dash perception rightfully isn't very good.

So exactly what you said. You've stopped because you know how it will be perceived.

There is something not checking out with that blogpost is what I'm saying. Things do not feel organic. Which can be AI, but also can be lots of other things, but regardless of that, it smells.

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Googling the author tells me that they perhaps might just be trying a bit too hard to be taken seriously. Oh well. But anyway

Smell is there. Intent is unclear