If they don't follow these rules they are on their own? So you end up with homeless people who go to central high traffic areas to remain visible and ask for c

If they don't follow these rules they are on their own? So you end up with homeless people who go to central high traffic areas to remain visible and ask for charity. That's what you have now. Putting them in housing solves a few problems. You know where they are and have a contact and can offer lifelines. Requiring people to get help and removing more control over their lives reduces trust, likely hood of success and they end up hiding the fact. You need to constantly watch them now or drug test them. Easier to live on the street than in your world