[DoreenMichele]

It also seems bad to Target the homeless "because they won't talk to the media" or whatever the quote was.

To me, this just parses as "We have some new Politically Correct excuse to exclude poor people from our dataset."

Being so unimportant that the world wants you to remain invisible isn't generally a good thing.

There is always some excuse. There is no condition under which it is sufficiently respectful, politely handled, blah blah blah to be A Good Idea.