Is this supposed to be an argument? Come on, now. You asked why it triggered him so much, and I explained why. It should have ended there.
Have you actually read through the threads Class is posting?
It's one thing to get triggered by word, it's another thing entirely to tell someone to kill themselves because they're not ashamed to use that word to describe themselves.
It would be positive influence on Class's life to literally visit any other place on the internet dedicated to transgender discussion other than there; because it would be what he(she?) wants, to never see that word ever.
It's just a stupid thing to say "Don't like it? Don't come here." It's like boomers who tell liberals to go to socialists countries if they like it so much. How about we combat problematic behaviour wherever we find it, even on places like stormfront?