Because LGBTQ Americans living in poverty often experience unacceptable homophobia and transphobia, many become homeless.
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They become homeless because they are mentally ill.
I won't argue that many of them are mentally ill; but, I did watch that documentary about a month ago, titled: Is Seattle Dying?
In that doc, they were saying that the majority of the homeless were drug addicts. This is the problem, getting them off the drugs; and, keeping them off the drugs. You could probably find this documentary on UTube. A graphic look at what happens to one of the most beautiful cities in the United States, when it has decades and decades of nothing but Democrat Party rule.