You’re right, but I believe it is accepted that there isn’t money to treat them; here in the Northeast the closing of facilities is widely blamed for the problem.
They closed them originally not because of money but politics
Geraldo Rivera.....google it .....he single handed got the notion of committing wandering crazy folks ended
We had state mental institutions with campuses or campi as Rush says
It ain’t perfect but it beats crazy folks talking to people who aren’t there walking the streets pooping or cutting one another
The drug and alcohol addicted on the streets who overlap is more complicated
Often they are street hobos by choice