>Maybe the answer here is to actually have a social safety net at the national level, instead of trying to shuffle people around in exactly the same way that hasn't accomplished anything useful since before the Dust Bowl.

This is not a realistic goal, and it would still result in homeless people gathering in cities.

>The motivation isn't 'economic sense', it's not dying when sleeping outside in a cold snap.

There is an entire southern half of the country where that won't happen.