You learn something new every day. I'll give you a practical application. You're at a ballgame and the line for the ladies' room is out the door. A quick gender identity switch , and you're in and out of the men's room before you know it. You laugh to yourself as you stroll past those unenlightened women who think they have to remain female just because you were born that way.
You are so right, and I've actually done that! A few years ago, while driving back from Maine, I stopped at a gas station to fill up and use the ladies' room, and the line for the ladies room (single seat) was at least a dozen women with small children, while the mens' room right beside it was empty (also a single seat) with, of course, no line. So I nipped into the mens' room, and when I got out there were about six women lined up in front of it. I didn't realize it was a gender identity thing, and I never for a moment thought I wasn't a woman; I regarded it as a practical approach to the prevailing circumstances. Heh!