I am asking a question in good faith because I really don't know what you're thinking. You said that homelessness is a symptom of underlying problems, which is

I am asking a question in good faith because I really don't know what you're thinking. You said that homelessness is a symptom of underlying problems, which is true, but also said, "You need to address the issues that cause people to act like that". Sure, this will work for some, but not others. I am genuinely asking what you propose to do about the people for whom this is not feasible or possible - whose underlying problems we cannot address.