This article on the Trump administration planning involuntary hospitalization of those who are unhoused is an indicator of some much more terrifying things on the horizon https://www.independent.co.uk/news/world/americas/us-politics/trump-clear-homeless-encampments-mental-illness-b2740126.html
Mental health services and hospitals *can* provide needed treatment; some do a good job, some are terrible. But they require a ton of resources to run.
I don't think we're looking at housing by medical professionals... I suspect this will be private prisons