No, Transgender Protections Do Not Justify Men In Women’s Restrooms. A State Agency Just Said So.

The most frequently used argument against transgender protections in public accommodations is that it will make it legal for “men” to enter women’s restrooms and other facilities, thus putting women and children at risk. Following a recent stunt by one non-transgender man entering a women’s locker room at a Seattle pool, the Washington State Human Rights Commission has clarified in no uncertain terms that this kind of behavior is not protected under the state’s gender identity law....
http://thinkprogress.org/lgbt/2016/02/29/3754688/washington-transgender-protections/