Still 'a bit more complicated than that' on the basis of the 'how long is a piece of string' problem of the Equality Act.
Sex has legal protection under the Equality Act
But so does Gender Reassignment. And this covered anyone 'going through the process of reassignment'. So they don't have to have a GRC. They can be in the stage before getting a GRC
But this is the 'how long is a piece of string' problem. Many trans identifying people no longer have an intention of getting a GRC nor having hormones or cosmetic surgery.
So how do you define when transition has begun and whether there is an intention to full transition? Legally it makes self ID have some sort of undefined status which has no defined boundaries. Just like gender woo itself.
Which is kinda problematic in numerous respects. The law no longer works. And the GRC is kinda almost simulateanously irrevelant and legally essential.
The judge here highlights the point - he's decided that legally because Upton does not have a GRC he's not legally female. But equally legally its arguable that Upton has protections under 'going through the process of reassignment'. But has nonetheless made a judgement call...
Confused? You should be.