As I see it, it is an option but there is a cost. You're making an absolute statement when it seems like it's that you view the practical cost of choosing the option as too high. Which is fair but you're refusing to explain the costs. Is it physical harm? Is it emotional harm? Is it future inconvenience? Is it fear of future physical harm? Etc. Etc.
The risk of physical harm and harassment goes up significantly, imagine a transwoman trying to travel anywhere with a passport that indicates male, they can be detained, searched for any reason. That's just one obvious example. There are plenty of other instances where physical harm might increase, and yes emotional harm is a big issue as well, not least because it's a clear attack on dignity.
