There are already several US States where the Drivers License is not allowed to be used to board aircraft. I am unclear the Federal stance on this whole gender thing. (notice that it is now Mx, instead of Mr/Ms/Mrs!
I was just wondering about loading, as such programs use the male/female/children standard weights in the load profile.
a bit OT, but I just saw where a college football team players were staggered about the aircraft due to their average weight of 300 pounds, even though they were the only ones on the charter aircraft.