This is plainly wrong. Homelessness is a game theory problem. The first city that "builds enough homes to house everyone" get to house everyone in the country.

This is plainly wrong. Homelessness is a game theory problem. The first city that "builds enough homes to house everyone" get to house everyone in the country. Why would Los Angeles ever build housing, if San Francisco is doing it for them? The first city to solve this is punished mercilessly. Why would any city subject themselves to that, when they can anticipate that it would happen? Doesn't matter what your politics are. Left and right both know that it will happen, and will refuse to do it because of the punishment. Because this is a game theory problem, the solution is (surprising, to me at least) very bureaucratic. It doesn't involve people "just loving enough". You won't solve it by showing the world how charitable and compassionate you are. Some dislike that. Why was love not enough? Why was charity and compassion not enough? Because it's a math problem, and love, charity, and compassion have never solved math problems. Similarly, accusations that greed or callousness interfere are just plainly wrong too. What's needed is a system that allocates the homeless across all the tends of thousands of municipal and local governments, such that small towns aren't overwhelmed with thousands, and large cities don't somehow cheat and solve their fair share of the homelessness issue by buying bus tickets for them. Such a system can be achieved via policy alone from the ground-up, no need for state or federal government to be involved (except possibly to pick up some small part of the tab for the few who would inevitably fall between the cracks).