Public opinion, demonstrations, legislators, courts and presidents have forced the addition of groups to the protected list one-by-one. It won't be easy to expand the list to include the homeless. While most people have compassion for the homeless, compassion only goes so far.
Property owners created blogs, and listed the names, addresses, and phone numbers of community leaders who support homeless people's rights. If you are going to live on the streets, they say, go live near the people who advocate for you.