They aren’t forced to take it, or get kicked out for being violent for example. Now don’t get me wrong, that doesn’t mean you shouldn’t have these programs and offer it to all, but it does mean you’ll still have some who will sleep rough unless you start doing forced institutionalization.

Like it or not that means a bit of hostile architecture is still needed even if you’ve done everything else right to keep these bits of public infrastructure clean/safe/available for that public it’s meant for.