A small point about self-righteousness in case you or anyone else didn’t know: asserting your own beliefs as dogma is often counter-productive in a forum like HN.
Stating that you’ve got information that CLEARLY everyone else needs to be taught; that you’re just trying to be helpful; that nobody should feel pressured to conform “immediately”; all comes off as disingenuous at best and threatening at worst. Instead, try asking questions and engaging in conversation rather than lecturing.
As to the topic at hand: in what way is it dehumanizing to refer to a human as male or female? Being male or female is a fundamental part of being human, not something to be erased or ashamed of. I am a trans woman: a human male who identifies and lives socially as a woman. Should I hide the fact that I’m male? Why?