And whether or not someone has a piece of paper with an untruth on it, the fact stands that the person is male, and some female employees may not be able to use a mixed sex facility.
It is not always and only about the inclusion of the very special transitioner. Other people have an equal right to inclusion, and the transitioner has the same responsibility to support and facilitate others as they expect for themselves.
This is a step in the right direction, but it does not afford women or other protected characteristics equality of access and inclusion. It is still a two tier system in which women are lesser and subordinated to the wishes and feelings of men.