The problem is what San Francisco already experiences: it will attract more homeless from elsewhere for 2 reasons, one bad, one horrible 1) homeless will want

The problem is what San Francisco already experiences: it will attract more homeless from elsewhere for 2 reasons, one bad, one horrible 1) homeless will want this, and move by themselves 2) other state and city governments will dump homeless on San Francisco as a cheap way to "solve" the problem in their city.