For a vanishingly small slice of the population, trans folk are too often suicides who choose to take several others with them. Presumably they seek revenge against a society that couldn't agree to live in their fantasy world.
The mentally ill and addicted need inpatient treatment, or failing that, custodial care apart from the rest of us. Doing so would clear the streets and parks of most of the homeless - urban renewal thrown in as a bonus.
Later … Karol Markowicz of the New York Post makes some of these same points concerning trans as an often violent mental illness.