@Chrysanthemum5
One of the issues is that the protected characteristic of gender reassignment might as well be gender identity - this wasn't foreseen when the act was drafted so there's no need to be actually on the gender reassignment path just to say you're thinking about it.
The whole concept of gender reassignment needs to be looked at again
If the PC was renamed 'gender identity' this would massively change how it works.
Some of the protected characteristics apply to all of us:
Age
Race
Sex
Sexual Orientation
Religion or belief (because lack of belief is also protected)
Some PCs only apply to some of us:
Disability
Gender Reassignment
Marriage or Civil Partnership
Pregnancy and Maternity
The people who want gender reassignment to be changed to gender identity are generally of the belief that we all have a gender identity. So who would be protected - people with a 'trans' identity and also those with a 'cis' identity? Would that be their intention, to give equal protection to 'cis' people?
And where would that leave those of us who don't have a 'gender identity'? Would we be the only group who were not protected under this shiny new protected characteristic?
Or would they do a swift 180 and start claiming that only trans people have a 'gender identity' after all? That would be an interesting move.
It's almost worth it just to see them have to come up with a legally coherent definition of 'gender identity'.