We are doing exactly what you propose. Many communities have "housing first" homeless strategies. Some people do in fact get off the street.
But we also have some "service resistant" homeless populations that do not want to live in your rule-based housing, they want to live without those rules even if it means living on the street.
But we also have some "service resistant" homeless populations that do not want to live in your rule-based housing, they want to live without those rules even if it means living on the street.