The proportion of troublemakers is much higher in the very low socioeconomic status cohort. Heavily policing public spaces is too expensive so instead social mo

The proportion of troublemakers is much higher in the very low socioeconomic status cohort. Heavily policing public spaces is too expensive so instead social moats are erected. House prices rise to unaffordable levels and this is cheered on by current residents and politicians. Nice neighborhoods are not connected with public transit and are inconveniently located so only residents will drive there. In New York Columbia University Public Safety officers escort any non-community members off their campus.