Always write what you want, however you want to write it. If some reader somewhere decides to be judgemental because of — you know — an em dash or an X/Y comparison or a complement or some other thing that they think pins you down as being a bot, then that's entirely their own problem. Not yours.
I add em dashes to everything I write now, solely to throw people who look for them off. Lots of editors add them automatically when you have two sequential dashes between words — a common occurrence, like that one. And this is is Chrome on iOS doing it automatically.
Ooh, I used “sequential”, ooh, I used an em dash. ZOMG AI IS COMING FOR US ALL