You know why, so why ask?
I believe these people need serious mental health help, and fast when diagnosed with gender dysphoria (or whatever it’s called). Before they mutilate their bodies and regret it the rest of their lives.
But I also believe they are people and don’t deserve to be murdered. Society and culture are to blame. Especially a 16 year old who has very little life experience.
He is looking at your 14 year old son.