SCOTUS interpreted[0] the right of free movement to make "owes less to people who move to Seattle without housing" illegal.

We can't fix chronic homelessness because the remedies are either illegal at a federal level (privileging locals, asylums) or against the sensibilities of voters in the regions where it is concentrated (prosecuting illegal drug use).

[0] I can't remember the ruling now, was a city in the NE IIRC