Usually you ignore talking about the very very small minority of people who are affected by rare cases.
The population of trans people globally is at the same level as the number of natural redheads in the world.
But do go on about how you're somehow right for a scientific concept that you're applying as a 100% of all cases fact, while ignoring any degree of nuance.
It's like, if we suddenly discovered an exception to the law of universal gravitation, we would start to seek a way to address that, either by acknowledging the exceptions and adding to the law, or by finding a way to adjust the equation so it can also be calculated.
I was mostly talking about intersex people >__> ---