Let us assume for the sake of argument that these questions have reasonable answers (different in detail for each such person), that the homeless people that li

Let us assume for the sake of argument that these questions have reasonable answers (different in detail for each such person), that the homeless people that live in such encampments do not have a viable alternative to 'living rough', and the best solution they were able to come up with (for whatever reasons) was pitching a tent in a public park. What alternative are you going to offer them that doesn't present barriers they can't surmount?