It can be in some cases
No, it's criminal even if it is a disorder
There's a song by the former Dixie Chicks, Ain't No Son, that captures his family's response pretty well.
Also you should probably read your source which does mention that there are in fact no data kept nationally on LGBTQ(or whatever abbreviation is being used these days) suicide rates.
"Men did not make the earth ... it is the value of the improvement only, and not the earth itself, that is individual property... Every proprietor owes to the community a ground rent for the land which he holds." -- Thomas Paine, Agrarian Justice