As I woke this week to news that World Netball had become the latest global sports governing body to step up and protect single-sex sports for women, I couldn’t help but spare a thought for the highly-paid CEOs and journalists who confidently declared just two years ago that women losing the right to single-sex sport was actually a good thing.

World Netball has joined the governing bodies of athletics, swimming, rugby, and cycling who are now (finally) protecting women playing at international level from having to compete against males identifying as women.

These decisions taken at the global level highlight how Australia...