That same issue applies to different states. It always makes me roll my eyes when conservative pundits point to blue states' homelessness as a reason why social

That same issue applies to different states. It always makes me roll my eyes when conservative pundits point to blue states' homelessness as a reason why socially liberal policies fail; no, but social policies will attract people needing them from anywhere accessible that doesn't have those policies. Hence why it needs to be done at a national level.