The Science of Transphobia

There will be elite athletes who have an X on their passport that's neither male or female. They're going to go and try to compete at the Olympics or the World Championship. So, so what are the sports authorities going to say? Are they going to say, Oh, well, we know we have like this one, this one biological parameter, but wait a minute, we've actually now removed it? I want to go back to the science, right?