They irony is that they were not misgendered.
It is indeed all about attention seeking.
The proof - if you are a man that wants to be perceived as a woman you would put on your costume and go about your day.
But these mentally ill people put on their costume and, like marines and vegans, tell everybody they encounter, "I'm trans", then get upset when their 5 o'clock shadow, size 15 foot, 6'3" height, Adam's apple that could poke an eye out, and baritone voice causes normal people to refer to them as sir.