I suggest everyone call Wu "she." If for no other reason that it makes dogmatic retards MATI, then it's worth it.
I don't enforce pronouns on anyone, but I choose to call Brianna "Brianna", most of the time, but never use 'she' if I can help it. This is my reasoning
i) Brianna legally changed his name. Even if all trans madness were erased tomorrow, he would be a person legally known as Brianna. I think changing your name for the purposes of sex deception is gross (and Brianna did that) but changing your name is a legal option in society.
ii) I will not use she/her for Brianna for the simple reason that sexed pronouns, in English, refers to natural sex, not to gender identity and not to anything else (like grammatical gender). "Misgendering" as a verb and as an action that can even be conceived is incoherent and ludicrous, but the fact that it has such widespread purchase shows the absolute capitulation and capture of society to trans madness.
I have never, ever, ever 'misgendered' anyone in my entire life. If I refer to a trans woman as 'he', that is not misgendering, because 'he' refers to the trans woman's male sex. If I call a trans woman a man, that is a simple statement of fact; a man is an adult human male. The only possible way I could 'misgender' somebody is to say 'I deny your gender identity is what you say it is'. I wouldn't say that because
I don't care what your gender identity is. I do not need to know anything about your putative 'gender identity' to correctly address you.
iii) I absolutely will combine legal names with correct pronouns,
precisely because it is difficult right now to use 'he' after an obviously gendered name like 'Brianna'. They want it to be difficult and I will not let them do it. It is precisely because saying 'he' after 'Brianna' is difficult that it
needs to be done more often and normalised.
I also reserve the right to deliberately mis-sex pronoun demanders by sarcastically and maliciously complying when it is opportune and strategic to do so. See 'true and honest woman'.