What makes you think they are not, already?  It's not about gender, it's about behavior and respect for others in the same situation as you.  If trans are expecting special attention and accommodations for their chosen sexual identification, then they are more an inconvenience than worth the effort.  If the trans is only about sex, than what's love got to do with it?  Why are women treated differently? Why does the men's bathrooms have urinals?  Why stock the military inventory with sanitary napkins?