people been homeless in america long before the war on drugs.
drugs addiction or drug use isn't the leading cause for homelessness in america.
USICH is the only federal agency with the sole mission of preventing and ending homelessness in America. We coordinate with our 19 federal member agencies, state and local governments, and the private sector to create partnerships, implement evidence-based best practices, and use resources in...
usich.gov
While there are many drivers of modern-day homelessness, it is largely the result of failed policies; severely underfunded programs that have led to affordable housing shortages; wages that do not keep up with rising rents and housing costs; inadequate safety nets; inequitable access to quality health care (including mental health care), education, and economic opportunity; and mass incarceration. In effect, more than half of Americans live paycheck to paycheck and one crisis away from homelessness.
there is a clean-cut answer housing and mental health/social services.
even that reddit screenshot you shared is about people who went without help for so long they've conditioned themselves to that life when they likely weren't raised that way.