The fact stands for women with trans identities that things like the shortlists are there to support the disadvantage of their sex class. Like their right to maternity leave etc.
If they personally don't want it, that's fine. Their not wanting it does not affect the need of their sex class.
The point made by the judge is that once you start trying to define the needs and rights of a group that's mixed sex with and without certificates its total incoherence and unworkable.
This is one of those 'not everything is all about you all the time' things.