You'd be surprised that there are folks on this planet who love em dashes. I'm one of them and I used to write a lot with em dashes, but stopped using it altogether in the past few years because of AI.
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
I enjoy using em and en dashes for punctuation. They provide a nice break that’s not quite a comma, of which I already have way too many, because I tend to overthink grammar.
I’m sorry my writing style is not appealing to you, but don’t accuse me of publishing AI slop, that’s a shitty thing to do.