There's apparently no room for homeless people to play chess in Mayor Ed Lee's new, fancier mid-Market.
I doubt that removing the chess tables will do much for (a) homelessness or (b) drug use, but it might cause people who were hanging out on the street, doing something people have been doing there for three decades, to move somewhere else. Where they won't be as visible to the tech workers, denizens of new high-end housing, and shoppers who will soon dominate the area.
Every nonprofit that has office space in what used to be the low-rent district is worried, facing displacement at the end of its lease.
There are costs to gentrification. The mayor and his allies either don't seem to get this, or don't care.