I think there's also a broader implication that "homeless people" are so different from "normal" people that their input is some sort of gem that this young man

I think there's also a broader implication that "homeless people" are so different from "normal" people that their input is some sort of gem that this young man went out of his way to discover for the rest of us. There are a saddening number of stories hoisted to the front page of HN that exhibit such classist overtones that I wonder if it adds an out-of-touch quality to the site and really limits the discussion.