If you're talking about initiatives to house the homeless, I don't think it's just about "being given a place to stay". People who have gotten to the point where they lose their place in the first place are already traumatized, and likely to lose any sense of security from having another place.

Add to that, housing designed for recently-homeless people is not conducive to improving oneself, and the other resources they need in conjunction with that are often absent, or scarce.