@chiller
"Cis" means "not trans". It's hard to understand why people get so excited about it, but when I hear people saying "I'm not cis! I'm normal!" my memories go back to the grumpy old men in pubs in the 70s and 80s crying out "I'm not straight! I'm normal!"
If that's what you think that is the reason many people reject the concept of Women as a multi-sex group that subdivides into Cis and Trans I suspect you have not read the thread, or if you have you have only seen what you expect to see not what people are saying.
Very briefly:
To accept there are "cis" and "trans" women who are different subtypes of women means redefining Woman as a multi-sex group
The laws, rights, spaces, opportunities and protections that were put in place for and by female people to mitigate the social and physical disadvantages of having a female body are currently defined as Women's because when they were set up Woman was a single sex female group.
I believe that the female half of the species still needs those things, and a name to anslyse, politicise and organise under, for reasons that are nothing to do with gender identity.
Therefore I cannot accept the redefinition if Woman as a multi-sex group unless it is done alongside a recognition and renaming of female people and a transfer of all existing women-only spaces, rights, opportunities and protections to the new name so they remain female only.
None of this precludes setting up in parallel brand new women-only spaces, rights, opportunities and protections that are designed from the ground up for what trans- and cis- women need and want.
So, nothing to do with who is "normal", whatever that even means. Just the simple recognition that sex and gender are different and we can't just redefine the name of a sex to mean a gender unless we change all the structures underneath it as well.
Sort that out and I have no issue with Woman becoming a gender label for those who need it.
I, of course, still would not use the label cis, but I wouldn't need to because I wouldn't be a woman at all, just a female continuing to be supported by appropriate single sex spaces, rights, opportunities and protections