Who (and what) is welcome in public space?

From Atlas Obscura: “What Pigeon Spikes Can Teach Us About People”:

The motivations behind pigeon- vs. people-focused hostile architecture are, of course, different. So are the effects. But, Savic says, both “are part of the same principle of hard-coded exclusion,” in that they both assume that the best solution to a potential conflict is forcing the bird or human to find another place to be. In Savic’s view, focusing on anti-bird measures “[can] show, sometimes more clearly, how the policy of moving the problem somewhere else operates on urban space.”