The US Marines may ban recruits from respectfully addressing senior members as sir or mam to avoid misgendering and offending them.
http://nypost.com/2022/12/22/marines-may-ban-sir-and-maam-to-avoid-misgendering/
...I addressed Senior Drill INstructor E Brown "YOU" once. He was really offended.
Liberals are like a "Slinky". Totally useless, but somehow ya can't help but smile when you see one tumble down a flight of stairs!