It is, though they do have other issues, like getting blackout drunk after a brutal day at a soul-crushing job and sleeping it off in public, which is what this is designed to prevent.

The infrastructure isn't just hostile to homeless people, but also to skaters, someone running/biking past a little to close, children playing and even people scooting over a bit to make room.
It's kind of like the curb cut effect but for making things worse.