My friend claims that 70-80% of homeless in the USA are living that way because they like it, not because they are poor. The government generally takes care of all poor people. Is it true?

我的朋友聲稱,美國70-80% 的無家可歸者之所以這樣生活不是因?yàn)樗麄兒芨F,而是因?yàn)樗麄兏矚g這種生活方式。政府一般來說會照顧所有的窮人。這是真的嗎?