First of all, Kat Blaque is a woman and uses the pronoun “she,” not they.
Second of all, a trans woman is not a “man who wants to become a woman.” A trans woman is a woman, who takes social, legal, and/or medical steps to have that fact recognized by society.
Finally, as a black trans male, here is my take on why transgender and “transracial” are not the same thing. In it I link to Kat’s video on the subject, which is one of the best responses I’ve seen. (And her response is coming from a black trans woman, who is in the most knowledgeable position to speak on this issue.)