"Some say we are not women, that giving us rights to use a women’s washroom will result in dangerous situations for cis girls and women. "

This is a great example of the sort of insensitive trans language usage that is twisting even people who agree that trans rights are human rights.  A trans woman wants to call herself a woman, yet insists on labeling those who are not trans women as cis women  That's not merely expressing your own identity, it's also reconfiguring mine.  As Elinor Burkett considered in her excellent NY Times essay, are trans women the only people allowed to call themselves women now?
https://mobile.nytimes.com/2015/06/07/opinion/sunday/what-makes-a-woman.html?_r=1